From HEMSCO SUPPLY: Replace welding helmet lenses on a regular basis to ensure best quality. The Forney PRO Series Outer Protective Lens, 5-Pack fits all Forney PRO auto-darkening welding helmets (ITEM#'s 55935, 55936, 55937, 55938 and 55939). Designed to protect the auto-darkening filter (ADF) from weld spatter, this set guarantees durability and clear vision during intense welding tasks. Enhance the lifespan of your welding helmet and maintain top performance with these essential protective lenses. Invest in superior protection and reliability for your welding needs with HEMSCO SUPPLY.