Lightweight aluminum construction, single axis knee with a proximal adjustment pyramid and distal tube clamp.



| 3R39 | Aluminum |
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| Article number | 3R39 |
| Proximal connection | adjustment pyramid |
| Distal connection | tube clamp Ø 22 mm |
| Weight | 145 g |
| Flexion angle | 145° |
| System height | 24 mm |
| Proximal system height | 2 mm |
| Distal system height | 22 mm |
| Material | Aluminum |
| Maximum weight | 45 kg / 99 lbs |