Goodson Brand HN-136S 70-Grit Honing Stones for hard sleeve holes exert more pressure at the bottom and are better for short cast iron cylinders. (Use master holder & sleeve support) Each honing stone set has 4 pieces: 2 holders with integral short stones, and 2 holders with full-length aluminum wipers.
- Range: 4.7″-15.0″ (119.4-381mm)
- Usage: Cast Iron
- Finish: 55Ra
- For Power or Portable Hones