This 13mm Socket 1/4" Drive Metric 568947 is an ideal addition to anyone's tools , whether it be for the garden , garage or DIY Socket 1/4" Drive Metric 13mm Chrome vanadium steel hex metric socket Fully mirror-polished finish Chamfered end for positive nut location Radius design for added torque and long life Knurled band, ball-retention hole To DIN3124/ISO2725 and DIN3120/ISO1174.Warranty: LIFETIME for all hand tools ; 3 YEAR for power tools , air & petrol tools. Silverline-Tooltime 568947 5055058117403 .