Diesel Laptops 20 Pack of 33mm Lug Nut Cover Chrome Plastic Twister Spike Screw On for Commercial Heavy Semi Trucks (Peterbilt, Kenworth, Volvo, Mack, International, Freightliner, Western Star) from 33 mm - Standard size for all commercial heavy & medium semi trucks. Item is made of plastic with a chrome color finish Screw On Height: 4-3/16" Quantity of 20