Due to wear from use or sharpening you may have to add washers to the back of the grinder auger or worm. Designed to take up the slack from wear on the auger and the grinder head.
- Inside Diameter: 3/4"
- Outside Diameter: 1- 5/16"
- Thickness 1/8"
- Fits Hobart 4612, 4812 and Torrey M12