This implant material is used to splice splint in a broken bone in the hand or foot caused by injury or diseases that cause instability. It is designed as a metal rod fixed in the bone cavity with a small locking hole in the hand bone of the patient as well as a pilot device. There are many directions of fixing screws firmly without twisting. It makes the surgical wound smaller, no protruding parts, reducing the chance of infection from the wound, cutting the recovery period, thus improving the patient's health.