4pc 1.25" Jeep 5x4.5 to 5x5 Wheel Adapters 1/2" Studs Adapts JK Wrangler Wheels on TJ YJ KK SJ XJ MJ Give your vehicle that aggressive stance, eliminate rubbing, mount a larger wheel or tire, clear breaks or struts. They also increase your vehicles handling performance due to adding trek and width to your stance. Made of aerospace alloy aluminum 6061, T6 treatment, precision CNC machined, hard oxidation finished surface. With grade 10.9 studs, SGS tested parts, complete kit comes with everything needed for installation. Thickness: 1.25" ; Vehicle Bolt Pattern: 5x4.5; Wheel Bolt Pattern: 5x5 Perfect fitment: Adapt Jeep JK Wrangler wheels(5x5) to a Jeep Ford Lincoln 5x4.5 vehicle.