Expert Quality, 6 point socket manufactured from chrome vanadium steel, hardened and tempered with a micro satin finish. Each socket has a knurled ring for extra grip. Supplied on a metal socket rail for secure storage. Manufactured and tested generally in accordance with DIN3122 and ISO3315 Specifications Features and Benefits • Expert Quality • Contents: 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2" and 9/16" • 6 point sockets • Manufactured from chrome vanadium steel, hardened, tempered, chrome plated with micro satin finish • Each socket has a knurled ring for extra grip Contents 11 x socket: 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16"