These grinding stones have a 1/4" shank to fit most die grinders (pneumatic and electric). Inexpensive way to touch up your bits before they need a serious sharpening (see our handheld sharpener).
- 1-1/2" OD x 1/2" thick in 36 grit (black) or 60 grit (green).
- 60 grit (green) also available in saucer shape to touch up near the bit face.
1-1/2" green saucer