Waterproof LED third brake lights created by 6 Waterproof LED lights encased in two rubber grommets which fit in the vacant lug-nut holes on the rear spare tire. Supplied with 2 quick waterproof disconnects. Allow you to replace those annoying 3-rd Brake which block your rear vision Lights on any vehicle with mounted spare tire. They provide increased safety as well as being cool. Lug Nut lights are designed to fit lug holes .600" and larger. Make sure your lug nuts are 3/4" and at least larger than 1/2". Stamped DOT approved on the lights. Replacement LEDs available.