N37-A55 | 220 Grit Sunnen Honing Stones | Dart Blocks & Ductile Sleeves
- 220 grit honing stones from Sunnen®
- Recommended for Dart™ Machinery
- Use with our Sunnen® AN-112 or AN-815 or Goodson GH-2555 hone
- Use sulfurated honing oil such as our Rod Honing Oil for best results