OTOS Clip-on Sun-blocking Glasses Infrared Protection #1.7 A-644B-1.7 1 pc

Catalog number: A-644B-1.7 Features: ●Can be attached to the brim of a hat or helmet with a clip. ●Also blocks harmful infrared rays. Applications: ●For gas welding work. Specifications: ●Shading level: #1.7 ●Width (mm): 151 ●Height (mm): 57 ●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.