4x Custom Chrome Skull Tire Air Valve Stem Cap Cover Kit For Automotive Auto Car Hot Rod Ratrod ATV Wheel Rim Package includes: 4x Tire Valve Stem Caps Diameter: 0.72 inch1.8cm Height: 0.87 inch2.2cm Material: ABS Housing + Copper Thread Universal fit for cars, trucks, SUVs etc that is with 8mm tire valve Also fit for motorcycles, standard bikes, bicycles etc that is with 8mm tire valve