| Twelve Groove C QD Taper-Lock Sheaves | |||||
| O.D. | Description | Weight in Pounds | Type | M | K |
| 9.4 | 12C9.0-J | 92.0 | A1 | 4.06 | 2.46 |
| 9.9 | 12C9.5-J | 100.0 | A1 | 4.06 | 2.46 |
| 10.4 | 12C10.0-J | 108.0 | A1 | 4.06 | 2.46 |
| 10.9 | 12C10.5-J | 115.0 | A1 | 4.06 | 2.46 |
| 11.4 | 12C11.0-J | 125.0 | A1 | 4.06 | 2.46 |
| 12.4 | 12C12.0-J | 127.0 | A1 | 4.06 | 2.46 |
| 13.4 | 12C13.0-J | 135.0 | A1 | 4.06 | 2.46 |
| 14.4 | 12C14.0-J | 145.0 | A1 | 4.06 | 2.46 |
| 16.4 | 12C16.0-J | 165.0 | A2 | 4.06 | 2.46 |
| 18.4 | 12C18.0-J | 198.0 | A3 | 4.06 | 2.46 |
| 20.4 | 12C20.0-M | 277.0 | A3 | 1.94 | .20 |
| 24.4 | 12C24.0-M | 287.0 | A3 | 1.94 | .20 |
| 30.4 | 12C30.0-M | 362.0 | A3 | 1.94 | .20 |
| 36.4 | 12C36.0-M | 446.0 | A3 | 1.94 | .20 |
| 44.4 | 12C44.0-M | 572.0 | A3 | 1.94 | .20 |
| 50.4 | 12C50.0-M | 676.0 | A3 | 1.94 | .20 |