Kennedy: 19mm Wheel Nut Impact Sockets 1/2" Square Drive Socket sizes: 17 and 19mm. Colour coded for easy identification. Can be used with retainer rings or pins. MPN: 19mm Wheel Nut Impact Sockets 1/2" Square Drive Attributes: Bit Type: Hex Drive End Diameter: 30mm Drive Size: 1/2in Drive Type: Square Finish/Coating: Black Oxide Material: Chrome Molybdenum Steel Number of Points: 6 Opening Depth: 15mm Overall Length: 85mm Size System: Metric Socket Depth: Standard Socket End Diameter: 27mm Socket Size: 19mm Socket Type: Impact Socket Standards Met: DIN 3129