The Spike Lug Nuts are designed for vehicles like the Chevy Silverado, Tahoe, and Ford F-150, featuring a conical (cone) seat and a size of 14mm x 1.5. The lug nuts are constructed from cold forged alloy steel in a solid one-piece design, with a black rust-resistant coating. They measure 4.4" in overall length and come in a pack of 32, including a key for installation. The lug nuts have a thread size of 14x1.5 and are suitable for rear, left, front, and right placements on the vehicle, offering easy installation and dustproof features.