AccuWheel LNA-12000C5L Chrome Bulge Acorn Wheel Lug Nuts (1/2"-20 Thread Size) 1.4" Tall - Pack of 20 Lugnuts, Wheel Locks and Key Included Acorn Bulge Design, provides greater seating surface to prevent damage during installation. Cold Forged Carbon Steel then heat treated for enhanced Rigidity and exceptional strength. Triple chrome plated, ensures long life by preventing rust and corrosion. Closed-end Acorn Bulge Design, Hex: 3/4"; Height: 1.39"; Weight: 2.0oz each. Lug Nut Kits include 16 of Chrome 1/2"-20 Bulge Acorn nuts, 4 Wheel Locks and Key. Please check Product Description for Vehicle Fitments