3 Piece Impact Alloy Wheel Nut Socket Set - 17mm 19mm 21mm Colour Coded Driver Chrome molybdenum sockets, hardened, tempered and anodised for corrosion resistance. Nylon sleeves and inserts protect wheels and nuts. Colour-coded sockets for easy size selection. Suitable for use with impact tools. Includes sizes 17, 19 and 21mm in tough storage case. SIZE: L x W x H (mm) 13 x 11 x 55 WEIGHT: 0.19 t1623