7-1/2″ (19.0 cm) Ball Pean Hammer can be used in conjunction with other surgical equipment to cut and otherwise manipulate bone and assorted other hard tissue or when extra force is necessary in a variety of surgical scenarios. The unique design of this hammer features a rounded head on one side and a cylindrical flat head on the opposing side. Additionally this hammer is available in two sizes either an 8 oz weight or 13 oz weight with a small face diameter or large face diameter.