Set of 4 knee models (¾ scale) illustrating: degenerative joint disease (osteoarthritis); erosion to joint articular cartilage; Progression of degenerative joint disease; osteophytes (bone spurs) at the articular surfaces.

Size: 16 x 26.5 x 17 cm  Knee size: 7.5 x 4.5 x 14 cm  Weight: 1.1 kg