Mr. Gasket 6905 Wheel Dust Shield - Measures 15-Inches Designed to conceal rusty brake components and stop unsightly brake dust Ideal for use on most domestic and import cars with alloy or custom wheels Bolt circle range of the wheel dust shield is 4-1/2 or 5 and wheel size is 15 Outside diameter measures 13-3/16 with 5 wheel lugs Made of black aluminum