CK Tools T4690M 21 Sure Drive Socket 1/2" Drive 21mm

C.K Sure Drive Sockets - 1/2in. Drive - CK Tools T4690M 21, Forged chrome vanadium steel. Non slip satin chrome plated for resistance to rust and peeling. Featuring the 'Sure-drive' system which applies torque to the flat of the nut rather than the corners to avoid rounding off CK Tools T4690M 21 Sure Drive Socket 1/2" Drive 21mm

Price: 4.58 from Rapid Online Rapid Electronics Ltd.