Gorilla – Small Diameter Spline Acorn 12×1.5 Chrome Closed End Lug Nut Each #21138HT. Priced and Sold Individually. Height – 1.36inch tall. Outside diameter – 0.80inch (20mm). Great solution for fitting narrow lug hole wheels with Standard 60 degree conical seats.

Gorilla Small Diameter Spline Lug Adapter Key Required for Installation and Removal, Sold Separately #GOR1921SD-KEY. Adapter Key width 0.80 inch diameter.

Hand Tighten Lugs Only. Do Not use Impact Guns.