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.
For use with 3M Speedglas Auto-Darkening Filters 9100X / 9100XX in combination with 3M Speedglas Welding Helmet 9100 QR. Helps prevent the inside protection plate from rubbing on the quick release...