The Internal Hand Structure Anatomy Model is a life-size anatomy model from 3B Scientific and manufactured in Germany. This life-size hand model shows the superficial and internal structures of the human hand, including bones, muscles, tendons, ligaments, nerves, and arteries (superficial and deep palmar arches). The palmar aponeurosis and plate of the superficial tendons are removable from this high quality hand model. This hand is great for the study of the anatomy of the human hand. The hand model is 11.2 x 5.1 x 2.6 in. and weighs 2.65 lbs.