The WS-320 welding shield has three variable dark state levels (Auto-Darkening Filter (ADF) shades 10 - 12) has two user-selectable sensitivity levels for reliable arc detection and has good optical quality for a clear view of the workpiece. It is shade 4 in the light state.

The 3M(TM) Welding Shield WS-320 is for stick, MIG/MAG and for many TIG welding applications. The shield is easy to operate and maintain. The shield is designed to protect the wearer's eyes from harmful radiation, including visible light, ultraviolet radiation (UV) and infrared radiation (IR) resulting from certain welding processes.

3M WS-320 Welding Shield/37154, 3M WS-320 Welding Shield/37154, 3M WS-320 Welding Shield/37154, 3M WS-320 Welding Shield/37154