Nuts self locking with a M6 inside diameter Features a nylon insert to ensure it does not shake loose Designed to be used only once in a pack of 4 From time to times mall parts and components need replacing on your vehicle. These need not be expensive or difficult to source. With a wide range of aftermarket parts and accessories for the automotive industry Wot-Nots will have the solution for many of these replacement problems. As part of this range Wot-Nots have created a set of Self Locking nuts. The 4 piece pack comes in a M6 size with an inside diameter of 6mm and a 1mm pitch. It is also supplied in a handy clear storage box. Wot-Nots are at the cutting edge of pre-pack retailing and as such are the clear market leader for a single solution to stocking a wide range of small carded impulse and distress type products suitable for the Automotive Aftermarket and DIY Car Owners.