- Brass bushing to resist galling or seizing to the holder
- Heat-cured, permanent epoxy bonding prevents loose bushings
- Bushings are deep set to expose the most abrasive for long life
- Each wheel is pre-trued and checked to assure accurate, vibration-free grinding
- Cool Blue stone is a superior general purpose seat grinding stones for high performance beryllium seats, that cuts faster than our standard general purpose stone
- Ideal for tractors and trucks with diesel engines
- 11/16" x 16 thread
- Available from 1-1/4" to 2-5/8" diameters - select sizes below