Copper Ring Kits (half set)
| NO. | ID x OD | Qty | NO. | ID x OD | Qty |
| R-01 | 4 x 8 | 20 | R-16 | 17 x 23 | 7 |
| R-02 | 5 x 9 | 20 | R-17 | 18 x 24 | 7 |
| R-03 | 6 x 10 | 20 | R-18 | 18 x 22 | 7 |
| R-04 | 6 x 12 | 20 | R-19 | 20 x 24 | 7 |
| R-05 | 8 x 12 | 20 | R-20 | 20 x 26 | 7 |
| R-06 | 8 x 14 | 15 | R-21 | 21 x 26 | 5 |
| R-07 | 10 x 14 | 15 | R-22 | 21 x 28 | 5 |
| R-08 | 10 x 16 | 10 | R-23 | 22 x 27 | 5 |
| R-09 | 12 x 16 | 10 | R-24 | 22 x 29 | 5 |
| R-10 | 12 x 18 | 10 | R-25 | 24 x 30 | 3 |
| R-11 | 13 x 18 | 8 | R-26 | 26 x 32 | 3 |
| R-12 | 14 x 18 | 8 | R-27 | 27 x 32 | 3 |
| R-13 | 14 x 20 | 8 | R-28 | 28 x 34 | 2 |
| R-14 | 16 x 20 | 8 | R-29 | 30 x 36 | 2 |
| R-15 | 17 x 21 | 8 | R-30 | 33 x 39 | 2 |