Goodson valve seat wheels are built to grind accurately and outlast the competition.
We use brass bushing to resist galling or seizing to the holder. Heat-cured, permanent epoxy bonding prevents loose bushings. Our 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.
Ruby stones are comparable to the original Black & Decker general purpose stones. 11/16"x16 thread.