Notes: Seat style: Cone Seat Nut. Thread size: M12 x 1.5. Hex size: 13/16". Installation kit available. Installation Tool (sold separately) is required with use of all 4 packs of SplineDrive Lug Nuts. Kit contents: 4 lug nuts. Lug nuts will not fit OEM lug wrench. Not for use on steel wheels. Overall length: 1. 24". Tuner Style Cone Seat Lug Nuts.