I very knew a knife making and I have a small grinder, 1”x30”. I made the knives in the picture for a family trip that excluded a mushroom foraging class. My belts get clogged fast with this big a project and such a small grinder. So this really helped clean up all my belts.
7 1/2 X 1 1/2 X 1 1/2 Sanding Belt and Disc Cleaning Eraser Stick




