Features:
1. The main nail is designed with a 4° angle.
2. Multi-planar fixation with proximal 4.0mm cancellous interlock nails.
3. The hollow design of the intramedullary nail can pass the guide wire.
4. Distal 3.5mm cortical lock nail fixation.
5. Loss of shape locking screw, convenient for the fixation of the greater tuberosity of the humerus.