ITEM: Acorn Lug Nuts/yellow lug nuts/racing lug/lug nut 
Hex: 21mm 
Height: 35mm

The thread specifications almost cover full range of M10x1.25, M10x1.50, M12x1.25,M12x1.50,M12x1.75,M14X1.25,M14x1.50,M14x2.0,3/8”-24, 7/16”-20, 1/2”-20, 9/16”-18, etc.

Materials: Steel ASTM5140(40Cr)/35CrMo
Several kinds of surface treatment in optional and eye catching, such as chrome plated, zinc plated, dacro plated, black oxide, etc.