DPAccessories CC-3B-P-OBK05020 20 New Black Plastic Wheel Lug Nut Caps - Replaces GM 9593028/9593228 Wheel Lug Nut Cap Intended for use on dual thread lug nuts with a 19mm or 3/4" Hex. Screws onto GM factory style dual thread lug nuts but DOES NOT secure hub caps to wheels. Perfect replacement for GM #s 9593028 9593228 9595120 and Dorman #s 99056 611-620 711-022. Matching dual thread wheel lug nuts also available. See DP-Accessories # LOC2B6CZOGD05020. Includes 20 new black plastic wheel lug nut caps shipped in our in our signature premium packaging.