20 Black/Polished Spiked Aluminum Extended Tuner 60Mm Lug Nuts Wheels 12X1.5 L17 for Chevrolet Colorado Protected by U.S patent# USD720208. Slim design eliminates the need for spline drive lugnuts One threaded spike per lug / easy to swap out. Lugs are 60mm in length. Spikes add 30mm to overall length