Rugged Ridge 11504.18 Steel XHD Rock Slider for Jeep Wrangler JK (4 Door) Installs easily - No drilling required Features innovative one-piece design that provides maximum protection for the Wrangler's most vulnerable points Precision manufactured from CNC-laser cut 3-mm steel plate and finished with a tough black textured coating Includes an integrated four-inch step that makes climbing in and out easier, especially with lifted Wranglers Foam gasket protects body panels of your Wrangler