Sturdy 3mm thick Steel protects your JK's rockers from Rocks & other trail hazardsContoured sectional design molds to lower body for uniform fitDurable Black textured powder coatWorks with OE and aftermarket fenders & Rugged Ridge armor fenders (11615.01/11615.03)Bolt-on installation using supplied button head hardware (some drilling required) This product ships in approximately 1 days