The Project Kics Caliber 24 wheel lug nuts feature a unique (patent pending) seven-sided heptagonal lug nut. This design requires the use of their special removal tool in order to remove the lug nuts. This aids as a theft deterrent and security feature to protect your expensive aftermarket wheels. The Project Kics Caliber 24 wheel lug nuts are made of lightweight composite materials (cold forged SCM-435) with thin 24mm wall construction for maximum weight reduction. The Project Kics Caliber 24 wheel lug nuts are titanium blue color coated that provides a excellent corrosion resistance and an amazing color finish. Highly recommended for both street and track enthusiasts. Each kit includes (20) Project Kics Caliber 24 wheel lug nuts and (1) special removal tool.