Knee with external thread
| Dimensions | Type | Catalog no |
| 20 x 1/2″ | 121 | 78211212 |
| 25 x 3/4″ | 121 | 78211213 |
| 32 x 1″ | 121 | 78211214 |
| 32 x 2″ | 121 | 78211219 |
| 40 x 1″ | 124 | 78211245 |
| 40 x 1 1/4″ | 121 | 78211215 |
| 40 x 1 1/2″ | 121 | 78211218 |
| 50 x 1 1/4″ | 124 | 78211246 |
| 50 x 1 1/2″ | 121 | 78211216 |
| 63 x 2″ | 121 | 78211217 |