gunmetal or silicon bronze
Rp-thread
| Rp1 | Rp2 | PU | Article |
| ⅛ | ⅛ | 10 | 441 074 |
| ¼ | ¼ | 10 | 317 959 |
| ⅜ | ⅜ | 10 | 281 717 |
| ½ | ½ | 10 | 269 272 |
| ½ | ⅜ | 10 | 320 676 |
| ¾ | ¾ | 10 | 269 258 |
| ¾ | ½ | 10 | 320 669 |
| 1 | 1 | 5 | 269 234 |
| 1 | ¾ | 5 | 320 683 |
| 1¼ | 1¼ | 1 | 269 210 |
| 1½ | 1½ | 1 | 269 197 |
| 2 | 2 | 1 | 269 296 |
| 2½ | 2½ | 1 | 321 796 |
| 3 | 3 | 1 | 650 698 |
