In the construction for supporting or traction steel rope connection and other tools.
| Model | Rated Load | Application of steel wire rope | Weight |
| XK-1 | 10KN | Φ20mm | 0.15kg |
| XK-2 | 20KN | Φ24mm | 0.29kg |
| XK-3 | 30KN | Φ34mm | 0.8kg |
| XK-4 | 50KN | Φ38mm | 1.12kg |
| XK-5 | 80KN | Φ45mm | 2.4kg |
| XK-6 | 100KN | Φ48mm | 3.56kg |
| XK-7 | 160KN | Φ54mm | 4.8kg |
| XK-8 | 200KN | Φ60mm | 5.17kg |
| XK-9 | 300KN | Φ68mm | 7.5kg |
