Nail is indicated in Shaft Humerus Fractures, Proximal & Distal Humerus Fractures. Proximally nail can be locked from Lateral to Medial aspect and distally from Anterior to Posterior aspect. 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 from 20.0cm to 30.0cm (Diff. 1.0cm). 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)