3 MM Mastumoto
3MM Matsumoto
| PART NUMBER | PART NUMBER | Chuck Size | A | B | C | D | F | K | L | BOLT |
| HR-153-RJ | HR STD 15" 3MM 2 STEP REV HJ | 15"-18" | 6 1/2 | 3.469 | 2 1/2 | 0.866 | 1.969 | 0.950 | 1.900 | 20MM |
| HR-183-RJ | HR STD 18" 3MM 2 STEP REV HJ | HOWA | 6 1/2 | 3.469 | 2 1/2 | 1.022 | 1.969 | 0.950 | 1.900 | 20MM |