1321 Polycentric 4-Bar Knee
1322 Polycentric Pneumatic 4 Bar Knee
1323 Stance Flexion 5-Bar Pneumatic Knee
1324 Stance Flexion 5-Bar Mechanical Knee
1326 4-Bar Knee for AK and KD
4-Bar Knee with Long Linkages
4-Bolt Pyramid with Hole
4-Bolt Rotating Pyramid with Hole
4-Hole Adapter with Female Dovetail
4-Hole Linking Plate - Aluminum
4-Hole Pyramid - Stainless Steel
4-Hole Socket Adapter - Titanium
Actua Knee™
Actua Knee™ Hydraulic
Adjustable Pyramid Adapter
All-Terrain Knee
All-Terrain Knee Premium
All-Terrain Knee Premium HD
All-Terrain Knee Premium HD with Stance Flexion
All-Terrain Knee Premium HD with Threaded Top
All-Terrain Knee Premium with Stance Flexion
All-Terrain Knee Premium with Threaded Top
All-Terrain Knee with Stance Flexion
All-Terrain Knee with Threaded Top