Each model is comprised of two life-size vertebrae:
- The first pair shows one set with normal anatomy and one with a "bulging" herniated disc.
- The second set of vertebrae shows one with bone and disc degeneration, and the fourth with advanced osteoporosis with marked bone compression and bone spurs.
Model measures: 3-3/4 in. x 3 in. x 3-1/8 in.
Base: 5 in. x 6 in. x 1 in. Includes education card.
Sh. wt. 2.75 lbs (1.2 kg)