| Product name | Locked four axis knee joint |
| Item NO. | 3F35B |
| Color | Silver |
| Product weight | 695g/500g |
| Load range | 100 kg |
| Knee flexion range | 120° |
| Material | Stainless steel/Ti |
| Main features | 1. Four-link structure, strong stability during support, and ideal assembly effect. 2. The dynamic performance of the variable instantaneous rotation center ensures the stability during the support period. 3. By adjusting the friction of the back link and the extension spring, the control function of the ideal swing period can be achieved, and the joint motion during the swing period can be made softer. |