" The McGard SU (Standard) range is still one of the most sold antitheft wheel locks today Made from specially hardened steel which makes it near impossible to drill out the bolts giving you high security and peace of mind The Classic Chrome range is available in a wide selection of measurements/applications to suit most makes and models of vehicle One set of locking wheel nuts includes four bolts and one key The Chrome is available in over 120 sizes for many applications (Please see application guide for more information) Thread Size: M12x1.5 Radius R12 Hex Size: 19mm Weather you have a new set of alloy wheels or just want peace of mind that your showroom alloys are securely attached then you’re in luck. Safety and protection against alloy wheel theft are where the McGard locking wheel nuts and bolts provide the highest level of protection. The easy to use one-piece wheel lock functions like a regular lug nut or bolt, but requires a special key tool for installation and removal.