Made from T304L Grade Stainless Steel Bolts Securely to the wheel without removing any lugnuts Easy to Install, All mounting hardware and instructions are included Beautiful Mirror Polished Finish Set of 4 Set of 19.5" stainless steel wheel simulators for 2003-2004 Ford F450/F550 dually. Made from T304L grade stainless steel. All mounting hardware, instructions, and even installation tools are included. Simulators securely bolt to the wheel without removing any lugnuts. Fits 2003-2004 F450/F550 with 19.5" 8 lug dual wheels. Will fit 2 or 4 wheel drive trucks.