NEVER DENT ANOTHER BEARING SHIELD AGAIN! Available in Black, Pink, Green, Yellow, Red and Orange. Color accessorize with your favorite wheels along with being ½ the weight of regular (steel) lock nuts. Not only were Bionic Lock Nuts developed to look cool and be lightweight, their main function is to prevent any damage to your bearings caused during routine wheel removal and replacement. Regardless which type of 1/2 inch wrench used, you will never dent your bearing shields again, thus extending the life and performance of your bearings. Many skaters dent bearings and don't even realize it, dented shield/s cause severe drag and excessive exertion to maintain your speed when skating. -1/2" - set of 8 - Super lightweight - Bearing boss to ensure no rubbing (bearing drag) - Flange to protect against denting shields - 6 colors to accessorize accordingly - 3M Nylon-Glass for superior strength