| model | material quality | Length (mm) | colour | Weight (g) | function | 3D |
| K254-0 | aluminium alloy | 55 | silvery white | 1 | Download | |
| K254-1.5 | aluminium alloy | 55 | silvery white | 1 | fixed torque | Download |
| K254-1.8 | aluminium alloy | 55 | silvery white | 1 | fixed torque | Download |
| K254-2.0 | aluminium alloy | 55 | silvery white | 1 | fixed torque | Download |
| K254-2.2 | aluminium alloy | 55 | silvery white | 1 | fixed torque | Download |
Stop at any angle within the opening and closing range
Has passed 20000 switch tests
Double fold torque hinge
