QTY / THREAD - 20 x 12x1.5 Black Wheel Nuts LENGTH - 35mm HEX (wheel brace size) - 19mm - 3/4" FITS - Alloy mag wheels and steel wheels with 60 degree taper seats. CONSTRUCTION - 1 piece machined MATERIAL - Steel Thread Guide For HOLDEN Commodore VL VN VR VS VT VX VY VZ Mag and Steel wheels. Buying tips Showwheels nuts fit both alloy mag wheels and steel wheels with industry standard 60 degree taper seats as per the pictured diagram. Not suitable for shank and washer wheels. If unsure please ask.