Fillauer InterLock Knee Joints
Model 1003 - Automatic Spring Lever Knee Joint
Model 1007 - Adjustable Extension Automatic Spring Lever Knee Joint
Model 1011 - Automatic Trigger Lock Knee Joint
Model 1015 - Key Lock Knee Joint
Model 1017 - Automatic Angled Lever Lock
Model 2004 - EasyForm Knee Joint
