Features:1) Meets ANSI Z21.58, Z21.89, and CSA 4.96 standards2) Gas tight sealed on all edges at 1/2PSI and ports open3) Material: SS430

Features:1) Ductile iron2) CNC machinery machined

Features:1) Ductile iron2) CNC machinery machined

Features:1) Ductile iron2) CNC machinery machined

Specifications:Switching time: 1/25,000sDelay time: >200msDIN shade no.: fixed at shade 4 when light, at shade 11 or 13 when darkUltraviolet/infrared: protection to shade 13 at all timePower supply: s

Specifications:Switching time: 1/25,000sDelay time: >200msDIN shade no.: fixed at shade 4 when light, at shade 11 or 13 when darkUltraviolet/infrared: protection to shade 13 at all timePower supply: s

Specifications:Switching time: 1/25,000sDelay time: >200msDIN shade no.: fixed at shade 4 when light, at shade 11 or 13 when darkUltraviolet/infrared: protection to shade 13 at all timePower supply: s

Features:1) ANSI Z87.1:2003; full CE (BS EN 379:2003, BS EN 169:2002,BS EN 175:1997) approved2) Can be used for TIG and gas welding3) Can be used in insufficient ambient light work place4) Automatical

Features:1) ANSI Z87.1:2003; full CE (BS EN 379:2003, BS EN 169:2002,BS EN 175:1997) approved2) Can be used for TIG and gas welding3) Can be used in insufficient ambient light work place4) Automatical