Forney 55300 Goggles, Oxygen-Acetylene, 50MM Round Lens, Shade-5 Stationary front welding goggles featuring two 50 millimeter round No.5 shade hardened eye pieces Designed for gas welding or plasma cutting only Soft vinyl around each 50 millimeter eye piece allows goggles to fit comfortably over regular eye glasses Meets ANSI Z87.1 safety standards Provides 99.9-Percent UV-AB protection and meets ANSI Z87.1 safety standards