Kaper II SS-1954-10N Polished Stainless Steel Work Horse P-30 Chassis Truck Wheel Simulator Set for Chevrolet/Gmc (19.5" x 6.00" 10 Lug Rear 5 Lug Front with 7.25" Bolt Circle 5 Hand Hole) Kaper II, the original simulator, OEM approved Brilliant shine Crafted from the finest 301 stainless steel Easy care free maintenance Soap and water is all that is necessary to maintain a brilliant shine