Manufactured from chrome vanadium steel hardened and tempered with a satin finish. Supplied with 72 tooth reversible soft grip ratchet and 100mm extension bar. Display packed on a plastic hanging rack which can be used to store the sockets in a tool box. Contents: 10 x Sockets: 10, 13, 14, 15, 16, 17, 18, 19, 21, 24mm, 1 x 72 tooth reversible ratchet with soft grip handle and quick release button, 1 x 125mm extension bar Manufactured and tested generally in accordance with DIN3122 and ISO3315 Specifications