Manufactured from a very hard wearing plastic so they are sure to look great after many years of use. These 17mm Hex diameter covers are designed to be pushed onto wheel nuts and bolts with a 17mm diameter for a secure fit. The wheel nut covers provide an ideal finished touch to any wheel to help hide damaged or corroded wheel nuts or bolts and improve the look of your alloy wheels. Supplied in sets of 20 wheel nut covers and come complete with the wheel nut cap removal tool.