Project KICS Special Lug Nuts to bolt on Project Kics Wide Thread Spacer to your car. For use with 10mm thick Project Kics wheel spacers. Project Kics special four hole lugs are only 8mm tall and 24mm in diameter. 12×1.25mm. Uses Special Project Kics four prong key to lock down and remove. The Project Kics lug nut holes are 4mm in diameter. They are spaced 18mm diagonally across, from center hole to center hole. Sold individually. Special lugs for 15, 20, 25 and 30mm thick KICS spacers also available. Also available in 12×1.50mm. This item to be discontinued when inventory depletes. New Spline type lug will replace.