Product size: 23 * 13 * 7cm / (1: 1 natural big hand) .. This model is a 1: 1 natural anatomical model for large hands, which is divided into seven parts. Made of imported environmentally friendly PVC, hand-painted and well made . The anatomical structure of the human hand, as the skeletal muscle, the band nerve and blood vessels, is designed in detail . And you can remove the palm muscles for palmar and Palmarflexor to the complex palms, middle, deep to see the muscles, tendons and blood vessels, and the neural grid is a hand anatomy medical surgery. Have a practical model . The detailed digital identification of standards and the corresponding text description facilitate information and communication between doctors and patients.