All of our products are machined from solid 6061 aircraft grade billet aluminum. 33 mm 20 - 6" Spike lug nut cover - Polished 2" OD, screw on design to fit 22 mm x 1.5 stud, 33 mm x 1.8" OD lug nut. works with most transport trucks, and 10 bolt wheel adapters - Thread on design with optional side lock set screws set crew required when you have less than 5 full threads beyond the nut 20 - 6" Spike lug nut cover - Powder Coated 20- 6" Cylinders- polished . 2" OD designed to work with 33mm lug nuts Thread on design with optional side lock set screws - set crew required when you have less than 5 full threads beyond the nut 20- 6" Cylinders - Powder coated Ram 3500 16 - 6" Spike lug nut cover. Polished 2" OD designed to work with RAM 3500 factory lug nuts Rigidly secured with stainless steel set screw - Ram 2012+ with 14 mm stud. Ram 2012+ with 14 mm stud. 16 - 6" Spike lug nut cover - powder coated 16- 6" Cylinders- polished . 2" OD designed to work with RAM 3500 factory lug nuts Rigidly secured with stainless steel set screw - Ram 2012+ with 14 mm stud. 16- 6" Cylinders - Powder coated Ram 4500 - 5500 20 - 6" Spike lug nut cover. Polished 2" OD designed to work with RAM 3500 factory lug nuts Rigidly secured with stainless steel set screw - Ram 2012+ with 14 mm stud. Ram 2012+ with 14 mm stud. 20- 4" Spikes- Powder coated 20 - 6" cylinder lug nut cover. - . Polished 2" OD , designed to work with RAM 4500 and 5500 factory lug nuts 10 bolt -Ram 2012+ with 14 mm stud. 20 - 6" cylinder lug nut cover - Powder Coated Ford F350 16 - 6" Spike lug nut cover - Polished 1.7" OD , designed to work with FORD 14 mm stud / mm factory lug nuts 10 bolt wheel - with 14 mm stud. 16 - 6" Spike lug nut cover - Powder Coated 16- 6" Cylinders- polished . 1.7" OD designed to work with FORD 3500 factory lug nuts Rigidly secured with stainless steel set screw - 14 mm stud. 16 - 6" cylinder lug nut cover - Powder Coated Ford F450 - F550 20 - 6" Spike lug nut cover - Polished 1.7" OD , designed to work with FORD 14 mm stud / mm factory lug nuts 10 bolt wheel - with 14 mm stud. 20 - 6" Spike lug nut cover - Powder Coated 20- 6" Cylinders- polished . 1.7" OD designed to work with FORD 3500 factory lug nuts Rigidly secured with stainless steel set screw - 14 mm stud. 20 - 6" cylinder lug nut cover - Powder Coated