OMP Steering wheel Quick release, Instead of traditional splined or kidney-style releases, OMP utilizes a unique dual-prong interface. This design offers a smoother, easier, and more positive locking engagement, and it's also less prone to wear and looseness. Quick release hub bolt on, aluminum with 6 hole pattern. Compatible with 3 or 6 holes steering wheel. Recommended to be use PTFE dry lube to get the best performance and preserve all components.