Auto-Darkening Welding Helmet ideal for electric welding, argon arc welding, gas shielded welding and tinsoldering, etc Auto-Darkening Welding HelmetVRKM8000-1Technical parameters:Light state: DIN 4Dark state: DIN9-13( ... to flameproofing, impact and aging.2. A clear picture of welding state can be achieved under high quality screening glass and soft ...