National Ossos Standard bones with natural curvature of the tibia). Tibia w/ cortical, cancellous and medullary canal of 8 mm in diameter. Solid Fibula. Developed in rigid polyurethane, it can be used in practical work and classes, demonstrations and training of surgical techniques such as prosthesis placement (knee, intramedullary nail and ankle). Size 39,5 cm. It is articulated with the Femur cod. 2025BESP and with Foot Code no. 1006.