JEGS Billet Dual Pattern Wheel Adapters are precision milled from 6061-T6 aluminum to 1.25" thickness. Ideal for adapting a wheel to a different bolt pattern hub. Radiused for stress relief and precision fit. Includes press-in 12mm x 1.5" studs and open end conical seat lug nuts. Not for use on trailers or FWD vehicles. Check lug nut torque every 1500 miles. Sold 2/pkg.