المواصفات
| Diameter (RM) | 60, 63, 76, 89, 101.6, 108, 114.3, 127, 133, 139, 152, 193 |
| Rubber Ring Diameter | 89, 108, 114, 127, 133, 139, 152, 159, 165, 190, 219 |
| Rubber Type | RA, RB, RC, RD, RE, RF |
| Diameter (RM) | 60, 63, 76, 89, 101.6, 108, 114.3, 127, 133, 139, 152, 193 |
| Rubber Ring Diameter | 89, 108, 114, 127, 133, 139, 152, 159, 165, 190, 219 |
| Rubber Type | RA, RB, RC, RD, RE, RF |