Rays have designed the Duralumin Lock and Nut Set Standard Type for easy installation.
These lug nuts also feature one 7-sided special locking nut per wheel. These heptagonal nuts can only be removed with the designed socket that comes with the set. There are also variations from set to set of locking nuts.
Made from Duraluminum, these lug nut are also extremely strong and light, standard nuts are typically around 55 grams, compared to the super light 23 gram Dura Nuts.