large pattern Raney-Crutchfield Skull Tongs are ideally suited for use in neurosurgical procedures. The tongs can be used to immobilize and hyperextend the head and neck of patients with cervical vertebral injury. This allow for the surgeon to operate without causing additionally trauma to the already damaged tissue and effectively operating in a very delicate neural tissue area. The prongs of these skull tongs can be inserted into burr holes made via drill or trephine.