Socket sizes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24mm. Bi-Hex (12pt) x 28mm long (6 - 16mm), 30mm long (17 - 19mm), 31mm long (20 - 24mm). 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.