Compression humerus nail is used in proximal humerus fractures. Nail is locked from anterolateral side. Entry point of the nail is Head of Humerus below 1.5cm. Range of diameters of the nail is from 6.0mm to 9.0mm (difference 1.0mm). Nail length is 15.0cm Standard (Short Nail) and 15.0cm to 30.0cm (Diff. 1.0cm -Long Nail) Locking bolts: Proximal locking bolts: 5.0mm locking bolt Distal locking bolts: 4.0mm locking bolt (3.0mm locking bolt is used for only 6.0mm nail)