00. The ArcOne Universal Dioteper/Magnifying Lens will replace your 2x4" rear cover plate, and is compatible with vertical and horizontal mounts for any manufacturer's 5x4" or 4x5" welding helmets.
Retrofit your welding helmet with the finest technology available!.Choose ArcOne's large Super Singles 2 x 4 inch single shade ADF lenss, now available with HD technology Can be retrofitted to most 2 x 4 welding helmets.