302 Welder Welder 230 460 Dc Inverter Arc Lincoln Ln-7 Nelson Stud 250 Mig Welder Dc Arc Welding Power Source Welder Ln-25 Welding Power Source Welder 250 Welder Generator Welder Local Nelson Stud Welder 450 Welder Lincoln Pipeliner Welder 220V Ac-225 Arc Lincoln Electric Weld-Pak Arc Welder Power Source Lincoln Idealarc 250 Arc Welder Generator Dc Inverter Arc Welder Welder Unit Ln-25 Wire Feeder Miller Xmt 304 Lincoln Electric Ac-225 Lincoln Diesel Welder Welder Complete Package Suitcase Wire Feeder Miller Dialarc Portable Arc Welder Pipeliner Welder Lincoln Ln-25 Wire Tig Stick Welding Pro Mig Arc Welder Model Welder Excellent Idealarc 250 140 Mig Miller Gas Welder Cc Ac Dc Flux Core Welder Resistance Spot Welder Lincoln Ln 25 Miller Diesel Welder Ac Dc Welder Generator Hobart Handler Portable Spot Welder Lincoln Electric Power Miller Maxstar 150 Spot Welder Model Spot Welding Ac Dc Tig Stick Welder Miller Bobcat 250 Welder Gas Welder Generator Welder Free Shipping 225 Arc Lincoln Electric Arc Welder Ready Welder Arc Welding Machine Miller Maxstar 150 Stl Tig Inverter Snap On Mig Portable Mig Miyachi Unitek Welder 115V Gasoline Welder Suitcase Wire Feeder For Welder Lincoln Electric Ac Airco Welder Welder Onan Series Wire Feeder Ac Dc Tig Stick Arc Welding Power Source Lincoln Ac-225 Stick Lincoln Sa200 Welder Miller Trailblazer Lincoln Power Mig Portable Mig Welder Mig 300 Miller Xr Welder Works Fine Welder Foot Tig Stick Arc Pulse Welder 250 Tig Welder Welder No Reserve Feed Welding Ac Dc Stick Welder Miller 302 Lincoln Sae Thermal Arc Welder Welder 208 Diesel Welder Generator Mig Welding Machine Miller Suitcase Inverter Arc Welder Portable Dc Welder Miller Dialarc 250 Suitcase Welder Welder 110V Lincoln Sa 200 Welder Multi-Process Welder Stud Welding Lincoln Square Wave Tig 220 Welder Idealarc Tig Welding Power Supply Miller Syncrowave 250 Miller Bobcat 225 Welder Welder Head Welder 220 Volt Hobart Mig Welder Portable Tig 135 Mig Dual Mig Hobart Mig Ln-7 Wire Feeder Tig Stick Welding Welder Welder System Welder 120 Miller 60 Series Welder 230V Welder Power Supply Welder 110 Miller Dimension Miller Deltaweld 452 Flux Core Wire Lincoln Ranger Century Welder Flux Core Mig Flux Core Kva Spot Welder Driven Welder Inverter Welding Ac Dc Arc Welder Welder With Leads Mig Tig Stick Plasma Welder Plus Welder Welder Inv Arc 300 Welder 220 300 Ac Dc Tig 300 Welding Wire Feeder Mig Welder Model Miller Maxstar 150 Stl Tig Portable Welding Dc Welder Generator Lincoln Invertec Cv Dc Welding Power Source Multi-Process Mig Welder 60 Series Feeder 200 Tig 250 Ac Dc Welder Welder Kit Miller Thunderbolt Mig Flux Miller Xmt 304 Cc Cv Deltaweld 452 Ln-25 Pro Arc Starter Mig Welder Power Source Lincoln Welder Generator 250 Tig Welder 120V Miller Syncrowave 250 Tig Welding Control Cv Mig Sa200 Pipeliner Dc Mig Welder Metal Dx Tig Miller Matic Multi Process Constant Voltage Dc Miller Bobcat Ac Dc Single Phase Lincoln Sa200 115V Wire Welder Nice Miller Gold Star 304 Cc Cv Miller Invision Miller Dynasty Welder 10 Sa 250 Welder With Trailer Miller Cst Miller Coolmate Lincoln Sa 200 Miller Cst 280 Lincoln Welder Sa-200 Dc Welder Power Welder Welding Machine Ac Dc Welding Power Source
 In 
 
Order by: 
Available to: 
Price: 
 - 
This site contains affiliate links for which I may be compensated
$
184.54
Buy It Now
Free Shipping
Condition: New
Location: Chino, United States
500W Handheld Spot Welder, Portable Machine DIY Welding Tool, Adjustable Machine with Spot Welding Gun Description Spot welder is the mechanical equipment ... morefor metal welding, which can be used for jewelry repair. It can adjust the output power through a knob and adjust the welding speed through a pedal switch to meet your different spot welding needs. And the ergonomic spot welding gun can ensure a comfortable grip. This spot welding set is your ideal choice! Key Features Strong and Durable: The shell of the spot welding machine is made of high-strength and rigid cast iron and adopts a baking paint process, making it waterproof, dustproof, corrosion-resistant, and anti-rust while allowing it to be used in different environments. And the plastic spot welding gun can resist impact, deformat.
$
95.95
Buy It Now
Free Shipping
Condition: New
Location: Monroe Township, United States
Welder cleaning machine, also known as weld polishing machine, weld bead processing machine. 1 x Stainless Steel Weld Bead Polishing Machine. 2, do not ... moreconnect the machine panel to the workpiece and handle the gun line.
$
170.05
Buy It Now
$10.00 Shipping
Condition: New
Location: Chino, United States
50A 110V Jewelry Spot Welder Pulse Sparkle Spot Welder Portable Spot Welding Machine with Handle Tool for Gold Silver Platinum, for Gold Silver Platinum. ... moreCurrent: DC 50A. With a host, tungsten needle, foot pedal, fixture, comfortable handle, pedestal, and long power cord, this machine is an ideal choice for you.
$
203.49
Buy It Now
Free Shipping
Condition: New
Location: Chino, United States
Specification Material: Metal, Plastic and Hardware Process: Polishing Plug Type: US Standard Input Voltage: 110V Output Voltage: 0-34V Power: 1000W Frequency ... moreAdjustment Range: 0-34Hz Brush Hair Length: 70mm/2.76inch Package Size: 52*19*31cm/20.47*7.48*12.2inch Product Size: 26.6*14.8*30cm/10.47*5.83*11.81inch Gross Weight: 5.2kg/11.46lb Net Weight: 2.6kg/5.73lb Package Included 1*Welding Bead Processor 1*Advanced Handling Gun 1*Ground Wire Clamp 1*Silicone Positioner 4* Hairbrushes 1* Copper Head 1*English Manual All Accessories for Installation.
$
18.53
Buy It Now
Free Shipping
Condition: New
Location: 金东区, China
10pcs/set TIG Stubby Gas Lens 17GL332 10N24S 3/32 &TIG Collet Kit DB SR WP 17 18 26. 5 10N24S TIG Collets 3/32" 2.4mm ( 3/32" x 1-1/8" ) & ( 2.4mm x 29mm ... more). Item Type: TIG Stubby Gas Lens. Professional welding accessories kit.
$
369.07
Buy It Now
Free Shipping
Condition: New
Location: Los Angeles, United States
Automatic Spot Welding Machine Computer Numerical Control, Pulse Argon Arc Welding Machine Spot Welder 110V/60HZ Description A pulse argon arc welding ... moremachine is a high-precision and high-efficiency welding equipment that can provide stable welding quality and a wide range of application scenarios. Our product with a host, 5 tungsten needles, a 6.56ft argon gas pipe, a powerful welding pen, and other practical accessories is an ideal choice for you. It features precise control, simple operation, a user-friendly work interface, high quality, and stable performance, bringing you a professional soldering experience. Key Features Stable Performance: Adopting a high-frequency magnetic ring transformer, high foot filtering large capacitor, and multi-motherboard high-power operation, this wel.
$
64.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Miller Electric Part # 191131.
$
25.97
Buy It Now
Free Shipping
Condition: New
Location: China
44% Teeth Tooth Whitening Whitener Bleaching Professional Kit Whiten Gel Light A. Item Type: Welding Torch Head. Dental Teeth Whitening Fast Tooth Whitener ... moreBleaching System LED Light Gel Kit US. Teeth Whitening Kit (10) Gel (2)Trays (1) White LED Light Best Dental 44% FDA.
$
75.64
Buy It Now
Free Shipping
Condition: New
Location: United States
With built-in wheels, it is smooth and easy to move, quite labor-saving! Refrigeration Capillary Tube Cutter - Tool for HVAC Systems. Tube Expander Repair ... moreTool Swaging Kit HVAC Plumbing Pipe Flare Ream Set.
$
103.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Miller Electric Part # 254976.
$
234.90
Buy It Now
Free Shipping
Condition: New
Location: Lakewood, United States
Miller AccuLock MDX 100 MIG Gun for MM 141, 211, 1770028. TitleMDX™-100 MIG Welding Gun, 10ft. 030-.035 wire, AccuLock™ MDX consumables. MIG (GMAW). Miller ... moreProducts. Gas Apparatus. Why Choose Us?. Authorized Dealer.
$
22.67
Buy It Now
Free Shipping
Condition: New
Location: China
2 x Output Wire(with Welding Pen). 1 x Welding Components Kit. 1x Main Circuit Board. 20-45ah Lead-acid battery with good performance and small internal ... moreresistance. If the battery is pretty good and the internal resistance is very low, and then there may be large current overload.
$
31.58
Buy It Now
Free Shipping
Condition: New
Location: 金东区, China
10pcs of each color. Round welding rods are available in 7pcs colors, 8pcs for each color. Flat welding rods are available in 5 colors. 106 pieces 12-color ... moreplastic welding rods. Includes 7 of the most commonly used plastics-(PP)polypropylene.
$
203.49
Buy It Now
Free Shipping
Condition: New
Location: Chino, United States
Stick the processing gun with the processing liquid, press the microswitch, and wipe against the black weld bead. 1 Welding Bead Processor. High Efficiency: ... moreThe copper head is anti-oxidation and can greatly commodity cleaning performance.
$
88.36
Buy It Now
Free Shipping
Condition: New
Location: Monroe Township, United States
Technical Parameters: Input voltage: AC110V / 60Hz Dimension: 310mm(L)*260mm(H)*175mm(W) Precautions: 1, use the machine to wear masks and gloves to prevent ... moreliquid spray into the your eye 2, do not connect the machine panel to the workpiece and handle the gun line 3, processing gun must be wrapped with processing cloth. You need to prepare the Weld cleaner liquid yourself, we can not ship liquid.
$
251.37
Buy It Now
Free Shipping
Condition: New
Location: Chino, United States
The package includes: 738AL Spot welder main machine 73LA Telescopic arm Welding head Welding pen Foot pedal switch Red copper wire (As picture shows) ... moreNote: Battery pack is not included. Function parameter: Model: 738AL Input voltage: 110V Power: 3.6KW Maximum welding thickness: 0.3 mm (nickel-plated steel) Welding current: 50A-900A adjustable Double pulse time: 1-10ms Four pulse time: 2-20ms Pulse time: 8-80ms Telescopic arm distance: 95-160mm adjustable Spot welding range of electric welding head: 0.05-0.3mm Adjustable soldering pin spot welding distance: 2-7mm Total length of mobile spot welding pen: 580mm Spot welding range: 0.05-0.2mm.
$
20.93
Buy It Now
Free Shipping
Condition: New
Location: China
Whether you're working on small repairs or large scale projects, this welding clamp ensures a secure hold on the electrode, preventing slippage during ... morewelding. This Welding Electrode Holder Pliers is a must have for welders, ensuring a safe and efficient welding experience.
$
88.35
Buy It Now
Free Shipping
Condition: New
Location: Monroe Township, United States
Welder cleaning machine, also known as weld polishing machine, weld bead processing machine. 1 x Stainless Steel Weld Bead Polishing Machine. 2, do not ... moreconnect the machine panel to the workpiece and handle the gun line.
$
98.31
Buy It Now
Free Shipping
Condition: New
Location: Chino, United States
Model: K3000. Work Assistant: 600 amp carbon arc gouging torch makes it very easy to weld copper, steel, aluminum, or carbon rods, etc., which can be ... morebetter adapted to your different work needs. 1 Carbon Arc Gouging Torch.
$
98.31
Buy It Now
Free Shipping
Condition: New
Location: Chino, United States
Model: K3000. Work Assistant: 600 amp carbon arc gouging torch makes it very easy to weld copper, steel, aluminum, or carbon rods, etc., which can be ... morebetter adapted to your different work needs. 1 Carbon Arc Gouging Torch.
$
89.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Consumable Type Plasma Power Source.
$
23.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Miller Electric Part # 124253. Miller 124253 Fuel Tank Bushing For Bobcat 250 Diesel Engine Driven Welder/Generator.
$
9.47
Buy It Now
Free Shipping
Condition: New
Location: China
With two gas detection scales, argon and carbon dioxide, it has strong practicability. Feature: 1. Item Type: Gas Tester.
$
205.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Lincoln Electric Part # S19262-1. Series: PTW-20.
$
48.00
Buy It Now
Free Shipping
Condition: New
Location: Spotsylvania, United States
The A-203 is placed in the switchless electrode. Most pictures used are from the manufacturer and B & R is not responsible for color or logo changes.
$
8.99
Buy It Now
Free Shipping
Condition: New
Location: Santa Fe Springs, United States
10 x 10N21S Tungsten Stubby Collet.
$
2.64
Buy It Now
$5.47 Shipping
Condition: Brand New
Location: China
Alumina Gas Lens fit TIG Welding Torch WP-9 WP-20 WP-24 WP-25. Ref No:53N60 6# Alumina Nozzles. Miller Diamondback DB9 and DB 20 torches. This kit fits ... moreall 9 series air cooled torches and 20 series water cooled torches .
$
25.30
Buy It Now
Free Shipping
Condition: New
Location: China
20 x Torch Electrodes.
$
20.00
Buy It Now
$4.00 Shipping
Condition: New
Location: Sutherland, United States
$
203.49
Buy It Now
Free Shipping
Condition: New
Location: Chino, United States
Stick the processing gun with the processing liquid, press the microswitch, and wipe against the black weld bead. 1 Welding Bead Processor. 1 Advanced ... moreHandling Gun. High Efficiency: The copper head is anti-oxidation and can greatly commodity cleaning performance.
$
26.00
Buy It Now
Free Shipping
Condition: New
Location: White Plains, United States
Most pictures used are from the manufacturer and B & R is not responsible for color or logo changes.
$
251.37
Buy It Now
Free Shipping
Condition: New
Location: Chino, United States
The package includes: 738AL Spot welder main machine 73LA Telescopic arm Welding head Welding pen Foot pedal switch Red copper wire (As picture shows) ... moreNote: Battery pack is not included. Function parameter: Model: 738AL Input voltage: 110V Power: 3.6KW Maximum welding thickness: 0.3 mm (nickel-plated steel) Welding current: 50A-900A adjustable Double pulse time: 1-10ms Four pulse time: 2-20ms Pulse time: 8-80ms Telescopic arm distance: 95-160mm adjustable Spot welding range of electric welding head: 0.05-0.3mm Adjustable soldering pin spot welding distance: 2-7mm Total length of mobile spot welding pen: 580mm Spot welding range: 0.05-0.2mm.
$
47.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Miller Electric Part # 187807.
$
9.89
Buy It Now
Free Shipping
Condition: New
Location: Prairie Village, United States
Carbon Steel.
$
63.62
Buy It Now
Free Shipping
Condition: New
Location: Broken Arrow, United States
AWS ER70S-6 Copper-Coated Solid Mig Welding Wire designed for welding Carbon and Carbon-Manganese steels with tensile strength up to 510 MPa. Suitable ... morefor single pass or multi-pass welding. To be used under the shield of Ar+CO2 or CO2.
$
19.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Miller Electric Part # 407611-002.
$
20.70
Buy It Now
Free Shipping
Condition: New
Location: China
◆ Plasma torch Shield Cap : PC0032. ◆For Ergocut CB70, Cebora 70 Plasma Torches. ◆For Eastwood® Versa Cut 60A Plasma Cutter. ◆ Plasma Cu tting Current ... more: 40 Amp/60 Amp. And the price is better than others.
$
8.73
Buy It Now
Free Shipping
Condition: New
Location: China
It is also widely used in brazing of copper, steel, copper-nickel alloy, gray cast iron and hard alloy inlaid tools. 10 Brass brazing rod. Quantity: 10pcs. ... moreIt is mainly used for welding between copper and iron and needs to be used with solder powder.
$
264.60
Buy It Now
Free Shipping
Condition: New
Location: Chino, United States
The package includes: 738AL Spot welder main machine 73LA Telescopic arm Welding head Welding pen Foot pedal switch Red copper wire (As picture shows) ... moreNote: Battery pack is not included. Function parameter: Model: 738AL Input voltage: 110V Power: 3.6KW Maximum welding thickness: 0.3 mm (nickel-plated steel) Welding current: 50A-900A adjustable Double pulse time: 1-10ms Four pulse time: 2-20ms Pulse time: 8-80ms Telescopic arm distance: 95-160mm adjustable Spot welding range of electric welding head: 0.05-0.3mm Adjustable soldering pin spot welding distance: 2-7mm Total length of mobile spot welding pen: 580mm Spot welding range: 0.05-0.2mm.
$
102.22
Buy It Now
$10.00 Shipping
Condition: New
Location: Chino, United States
The K5 carbon arc gouging torch is a high-performance welding gun. When you grind and cut for professional planning work, you can take this high-performance ... morecarbon arc gouging torch to assist you. 1 K5 Carbon Arc Gouging Torch.
$
197.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Weldtec Part # WT-18V-12. Torch Series: Weldtec. For Use With: Weldtec 18V, Water Cooled, Valve, 350 amp Torches. Torch Series: 18V, Water, Valve, 350 ... moreAmp. • Hand-Held Water-Cooled TIG Welding Torch.
$
18.90
Buy It Now
Free Shipping
Condition: New
Location: Magnolia, United States
Item Type: Spot Welder PCB Circuit Board. 【Good Performance】The portable battery spot welder set pcb circuit board uses screws to fasten more securely, ... morewithout worrying about falling parts, easy to use, can improve work efficiency.
$
6.99
Buy It Now
$2.99 Shipping
Condition: New
Location: China
1 18650 Battery Fixed welding bracket. 4: Buy two for double-sided soldering. 3: The welding battery is neat and beautiful. 2: Effectively improve welding ... moreefficiency. Product does not contain batteries.
$
20.99
Buy It Now
Free Shipping
Condition: New
Location: Indianapolis, United States
Weldtec's new patented "2 fer" gas lens cuts your gas lens cost in half. No more searching for another gas lens when a mishap occurs contaminating the ... moreouter screen of the gas lens. The "2 fer" gas lens is available in popular sizes: 1/16", 3/32", & 1/8".
$
19.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Obsolete product from Profax. This item is no longer available from Profax. Profax Part # PX2360-2069.
$
15.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Miller Electric Part # 231211.
$
15.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Miller Electric Part # 235506.
$
6.99
Buy It Now
$11.00 Shipping
Condition: New
Location: China
10 PCS MB 36KD 401D 501D 602 MIG/MAG We lding G un Contact Tip 0.8x30 M8 140.0114 Item Description 1. 100% Brand New with high quality. 2. Region fr ee ... moreand easy to use. 3. Can be used of MB 36KD 401D 501D 602 MIG/MAG Welding Torch, 4. The Brand of Machine would be Rilon. Riland, Jasic, Mitech, Chiry, UNT, Krypton, Longetivity, Berlan and so on. Package including 1) 10 PCS MB 36KD 401D 501D 602 MIG/MAG Welding Gun Contact Tip 0.8x30 M8 140.0114 P ayment Method ★ We only accept PayPal for payment. We ship to PayPal's address ONLY. Please make sure your address in PayPal is matched with your shipping address before you pay. ★ All major credit cards are accepted through secure payment processor PayPal. Shipping Information ★ Item will be shipped within 1 business day by Air Mail on payment received. ★ Arrival time(estimated) United States: 8-15 working days- United Kingdom/ Australia/ Canada: 8-15 working days- Germany/ France/ Spain/ Eastern Europe: 10-25 working days- Other countries: 25-35 working days ★ Delivery time depends on destination and other factors. Sometimes it may take a little more time for delivery. Warranty information ★ 1 Year Warranty. Buy with confidence! ★ If you are not satisfied when you receive the item. Please return it within 14 days for a replacement or money back. Please contact me before you return it. ★ If item is defective in 1 months. We will send you a replacement without extra charger, or offer refund after we receive the defective item. ★ If item is defective after 1 months. You can still send it back to us. We will send you a new one after receiving the defective item. ★ Freight and customs duties all refunds and replacement generated. You need to pay. ★ We are not responsible for any custom duty or import tax. ★ We will leave POSITIVE FEEDBACK after receiving the payment. Please feel free to contact us if you are not satisfied with the item after receiving it. ★ All emails will be answered within 24 hours. If you do not receive our reply. Please kindly check the
$
50.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Weldtec Part # 40V76L. Water Hose 25 Ft. Vinyl Tube. Torch Series: Extension Hoses. Type: Water Hose. Style: Vinyl.
$
91.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Lincoln Electric Part # KP2389-1.
$
29.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Weldtec Part # 45V28. For Use With: Weldtec 17, 18, 26, 28, 29 Torches. 5/32 (4,0) Gas Lens. Torch Series: 17, 18, 26, 28, 29, Sw-418.
$
24.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Miller Electric Part # 277905.
$
172.99
Buy It Now
Free Shipping
Condition: New
Location: Winona, United States
Weldtec Part # WTF- 9-12RT. For Use With: Weldtec i-Headwith 920-70 Head Torches. Three distinct versions; Flex, Ball or Roto allow you to choose the ... moremodel that best suits your needs. The Flex-Neck models allow the torch body to flex, positioning the head at various angles.
$
6.78
Buy It Now
$3.50 Shipping
Condition: New
Location: China
1 18650 Battery Fixed welding bracket. 4: Buy two for double-sided soldering. 3: The welding battery is neat and beautiful. 2: Effectively improve welding ... moreefficiency. Otherwise deal is final. Product does not contain batteries.
$
98.31
Buy It Now
Free Shipping
Condition: New
Location: Monroe Township, United States
Model: K3000. Work Assistant: 600 amp carbon arc gouging torch makes it very easy to weld copper, steel, aluminum, or carbon rods, etc., which can be ... morebetter adapted to your different work needs. 1 Carbon Arc Gouging Torch.
$
15.00
Buy It Now
Free Shipping
Condition: New
Location: Seattle, United States
as pictured;
$
14.45
Buy It Now
Free Shipping
Condition: New
Location: Houston, United States
Welding Knight 41V35 Back Tig Welding Torch Back Consumables Fit WP9/WP20 (41V35 5pcs). 【ADAPTATION MODEL】Fit TIG Torch WP9/WP20. The order will be processed ... moreand completed by automatic warehouse system within 5 minutes.
$
35.00
Buy It Now
$14.90 Shipping
Condition: New – Open box
Location: Halls, United States
$
103.48
Buy It Now
Free Shipping
Condition: New
Location: Chino, United States
Model: K3000. Work Assistant: 600 amp carbon arc gouging torch makes it very easy to weld copper, steel, aluminum, or carbon rods, etc., which can be ... morebetter adapted to your different work needs. 1 Carbon Arc Gouging Torch.
$
73.25
Buy It Now
Free Shipping
Condition: New
Location: Inglewood, United States
【Premium Material】: Made of polypropylene material, strong toughness, -drop, impact resistance, high toughness, -, will not deform. 【Automatic Change】: ... moreDeep protections, say goodbye to all kinds of welding disease, instant automatic change, capture the welding when the change screen automatically darken to achieve the effect of eye protections.
 In