OTOS Helmet-mounted B-type Sun-shielding Glasses Infrared Protection #1.7 A-645B-1.7-B 1 pc

Catalog number: A-645B-1.7-B Features: ●Can be attached to a helmet, and the lens part can be lifted up when not in use. ●Also blocks harmful infrared rays. Applications: ●For gas welding work. Specifications: ●Shading level: #1.7 ●Width (mm): 208 ●Height (mm): 54 ●American safety standard ANSI Z87.1 Material/Finish: ●Lens: Polycarbonate (PC) Caution: ●Shading level #1.7 is for workers in the vicinity. (Welders use #3 and #5) ●Do not use as laser light shading glasses. ●Do not use for arc welding.