| Bore polishers are self-centering, so they apply equal pressure to full wall of inside diameter |
| Premium aluminum oxide abrasive, provides long-life |
| Strong X-weight cotton backing construction for extended durability and even wear |
| Durable resin bond system provides exceptional grain retention and longer life |
| Extension mandrels are available for deep holes |
| Flaps automatically adjust to inside diameter polishing the entire surface with each pass |
| For 1 to 4 in Dia interior bores |
| 4 abrasive packs 1-1/2 in W, bonded to hub |
| For use with 08834154183 BPM-4 mandrel |
