Project KICS Special Four Hole LugS to bolt on Project Kics wheel spacers to your car. For use with 15mm Project Kics wheel spacers. Only 12mm tall, and 24mm in diameter. 12×1.25mm. Uses Special Project KICS four prong key to lock down and remove. The Project Kics lug holes are 4mm in diameter. The holes are spaced 18mm diagonally across, from center hole to center hole. Special lugs for 10, 20 and 30mm thick KICS spacers also available. Also available in 12×1.5mm. Project Kics four hole lugs are sold individually. To be discontinued when stock is depleted. Superceded to New Spline Type Lug Nut.