wheel lock nut, tuner nut, 1) carbon steel, 2) 6 or 8.8 grade, 3) chrome or color electrophoretic *Thread Size: M8*1.25, M10*1.25, M10*1.50, M12*1.25, M12*1.50, M14*1.25, M14*1.50, M14*2.0, 3/8"-24, 7/16"-20, 1/2"-20, 9/16"-18, etc. * Each one is hand polished before plating, resulting in longer-lasting superior chrome finish.* Availabe in different colors.