This Granberg threaded grinding stone comes in a pack of three and fits low pro and micro chain.
Blue Grit 5/32” grinding stones three-pack
Used for/with Abrasive wheel for use with Granberg motorized sharpeners and hedge trimmer attachments
Fits All Granberg 12-volt sharpening tools
Aluminum oxide-based abrasive on a 1/8” threaded shaft.
Use sharpening stones with Granberg grinders and hedge trimmer sharpeners