Project Kics 12X1.50 R40 Iconix Classical Lug Nuts w/ Black Plastic Cap - 16+4The Project Kics R40 Iconix by Kyo Ei are the ultimate lug nuts for your wheels. Made of forged steel with the classic gunmetal coating to prevent rust, not only will these lug nuts look great with your wheels but also come with free floating bottom to prevent over torque. These particular lug nuts come with 16 regular lugs and 4 locks with special key. If you're using longer studs, these come with removable black plastic caps.