Synthes 214.856 4.5mm Cortex Screw Self tapping 56mm Personal Health Equipment Self Drilling & Self Tapping Tip: The GE 00 876613 07 Self Drilling & Self Tapping Tip: The distal tip features specialized cutting flutes that allow the screw to be inserted directly over the guide wire without the mandatory need for pre drilling or tapping in many cancellous bone applications Brand: King threaded rod with a slotted head typically used for internal orthopedic fracture fixation by being screwed into bone to hold plates or nails to bone or to provide direct interfragmentary stabilization of bone This device must be sterilized prior to use