| model | material quality | Length (mm) | colour | Weight (g) | function | 3D |
| K221-BK | zinc alloy | 45 | black | 66.01 | angle positioning | Download |
| K221-BS | zinc alloy | 45 | bright silver | 67.41 | angle positioning | Download |
| K221-GD | zinc alloy | 45 | gold | 68.01 | angle positioning | Download |
| K221-SR | zinc alloy | 45 | silver white | 66.41 | angle positioning | Download |
Positioning opening and closing angle 0 °/45 °/90 °/180 °
Positioning torque hinge
