General description Complete set of Bi-Hex (12pt) 3/8" D sockets in a useful range of sizes from 8mm to 24mm. The Bi-Hex head provides 12 points of potential contact, making it quicker and easier to seat the socket over most types of fasteners, including square-head nuts and bolts. Each socket is engraved with its size for easy identification. This quality set is manufactured from satin finish chrome vanadium and is supplied on a socket rail for convenient storage and easy tool access. Technical specifications Socket sizes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24mm Socket length: 28mm (6 - 16mm), 30mm (17 - 19mm), 31mm (20 - 24mm) Other information Supplied on a socket rail Manufactured from satin finish chrome vanadium 3/8" D deep set of sockets available - please see Laser Part No. 3657