Specs: 1/2-20 Thread Size - Closed End Spline Tuner Style Lug Nuts - 34mm (1.35") Tall - 20mm (0.8") Wide - Fits: Vehicles with 1/2-20 thread wheel studs and aftermarket wheels requiring a narrow conical 60 degree seat nut Features: Solid Chrome Plating for Durability - Heat Treated Steel and Precision Machined Threads for Strength Includes: Set of 16 Lug Nuts and 1 DST20-1921Z Installation Tool - 19mm (3/4") and 21mm (13/16") Dual Hex Why DPAccessories: Built for Durability, Tested for Reliability, Engineered for Safety - Based in Kent, WA USA Since 2008 DPAccessories wheel lug nuts are durable, reliable, and safe - When buying a part that holds your wheels on, you want to be sure it performs - Do it right the first time, #DoItDP - Get the best wheel & tire lug nuts from DPAccessories - Only premium quality accessories