Manufactured from hardened and tempered Chrome Vanadium steel with a fully polished mirror finish. Bi-hex jaws with 1/2"Sq drive, suitable for use with extension bars and ratchet wrenches. Covers sizes from 20-32mm. Ideal for applications where access is limited. Supplied in storage tray. Features & Benefits:Manufactured from hardened and tempered Chrome Vanadium steel with a fully polished mirror finish.Bi-hex jaws with 1/2"Sq drive, suitable for use with extension bars and ratchet wrenches.Ideal for applications where access is limited.Sizes: 20, 21, 22, 23, 24, 27, 30, 32mm.Supplied in storage tray.Lifetime guarantee*.Model No. AK5981 Specifications: Model No AK5981 Brand: Premier Contents: 20, 21, 22, 23, 24, 27, 30, 32mm Drive: 1/2"Sq Nett Weight: 0.79kg