Auto Darkening Solar Welding Helmet with Grinding Function

Note on 2014-7-30th : This Auto Darkening Welding Helmet has Upgrade the lens (Lens style can look in : SKU143936 )from now on, which is not only suit for "Argon Arc Welding" but also can perfect use for Electrical Welding work. The upgraded lens will bring you the full range of protection ... Description : Auto Darkening Solar welders Welding Helmet Mask with Grinding Function Ideal for ARC/MIG/TIG/Stick Welding CE Marked : EN : 175/379 CSA : Z94.3 ANSI : Z87.1 Grinding Mode : Externally Controlled - Sets Lens in Permanent Light Shade Viewing Windows : 90 40mm. Response Time : 0.15ms - 0.2ms. Retention time : 0.4ms - 0.8ms. Delay time : 0.1S - 1.2S Ultraviolet Protection :