AccuWheel LNS-09160C5 Small Diameter Acorn Spline Drive Chrome Lug Nuts with Key (9/16" Thread Size) - Pack of 20 Lugnuts Intended for using with custom wheels that require slim lug nuts for small lug holes. Cold Forged Carbon Steel with enhanced Rigidity. Triple chrome plated, ensures long life by preventing rust and corrosion. Tuner Style 60 degree Cone Seat Spline Lug Nuts. Width: 0.9"; Height: 2.0"; Weight: 2.2oz each. Lug Nut Kits include 20 of 9/16"-18 spline nuts and 1 key for spline nuts. Please check Product Description for Vehicle Fitments