Made from .25" thick 2.4" OD Australian 250 Grade mild steel tubing; The internal mandrel bent Rock Sliders are designed to be a simple bolt on protection solution for the JK body. The ARB Rock Sliders attach entirely to factory-drilled holes in the chassis and the rear lower control arm hangers. Connecting directly to the vehicles chassis provides you the strongest mount possible and by utilizing the rear lower control arm hanger as a mounting location the Rock Sliders will also strengthen the chassis and rear suspension system for improved off-road use. Satin black powder coated finish. Includes mounting hardware and instructions. This product ships in approximately 1 days