This is the #10 brass washer that sits on the outside of the drywall flat box wheels. This washer also is used on either side of the creaser wheel to prevent wear on the creaser arms.
Brass Washer
$1.04
Part #:
GLTT BW
Fits:
✓ NorthStar™
✓ TapeTech®
✓ Drywall Master
✓ Columbia
✓ Concorde
Compatible part numbers:
SHW-74, 209042