Designed to be used with the 3M™ Speedglas™ Welding Helmet 9100 QR when used with 3M™ Earmuffs and 3M™ Hard Hat H-701R
Includes earmuff bar and two outside pivot cover plates
The 3M™ Speedglas™ Earmuff Expander Bar, 9100 Quick Release (QR) is designed for use with 3M™ Speedglas™ Welding Helmet 9100 QR when used with 3M™ Earmuffs and 3M™ Hard Hat H-701R. Includes earmuff bar and two outside pivot cover plates.