| "STORZ" coupler with female thread | Item NO. | Size |
| ·Light aluminium alloy | 3373.01 | NA 52-11/4" |
| ·Female part | 3373.02 | NA 52-11/2" |
| 3373.03 | NA 66-11/2" | |
| 3373.04 | NA 66-2" | |
| 3373.05 | NA 81-2" | |
| 3373.06 | NA 81-21/2" | |
| 3373.07 | NA 81-3" | |
| 3373.08 | NA 89-3" | |
| 3373.09 | NA 114-4" | |
| 3373.10 | NA 133-4" |