Size: 17mm single Hex x 1/2"D. Standard socket, depth: 38mm. Hex (6pt) head drives from the flats to provide more torque, ideal for damaged or seized nuts & bolts. Manufactured from chrome vanadium with a polished finish. Part of a range of standard sockets available individually. For other sizes, please see Laser Part Nos. 0806- 0823 (10mm to 32mm).