
| model | material quality | Length (mm) | colour | Weight (g) | function | 3D |
| K257-1 | zinc alloy | 44 | black | 56.82 | hide | Download |
| K257-2 | zinc alloy | 60 | black | 82.61 | hide | Download |
| K257-3 | zinc alloy | 68.5 | black | 153.5 | hide | Download |
| K257-4 | zinc alloy | 93.5 | black | 303.68 | hide | Download |
| K257-5 | zinc alloy | 116 | black | 1 | hide | Download |
1. In the closed state, both the inner and outer sides of the hinge are not visible, which is more integrated with the product and significantly improves the overall integrity and aesthetics of the supporting product
Positioning hinge