Copper collet clamping the tungsten electrode in the collet body used in liquid and air cooled TIG torches. Complies with international standards, fits TG Binzel and Trafimet welding handles.
| Product | Diameter | Catalog No. |
| 10N22 | 1,0mm | SR.407 |
| 10N22M | 1,2mm | SR.408 |
| 10N23 | 1,6mm | SR.409 |
| 10N23M | 2,0mm | SR.410 |
| 10N24 | 2,4mm | SR.411 |
| 10N25 | 3,2mm | SR.412 |
| 54N20 | 4,0mm | SR.413 |