"Features two separate 50mm round #5 shaded hardened eye-pieces. Equipped with cover lenses. Folds up to pocket size for storage and carrying. Meets ANSI Z87.1 safety standards. ""Forney"" 56900 (shaded) and 56901 (clear) replacement 50mm eye-pieces are available separately. Provides 99.9% UV protection. DESIGNED FOR GAS WELDING ONLY."
