Rocker Knockers with Sliders Requires 4 rear wheelbase stretch;High strength 3/16 plate steel;Bolt holes are countersunk;Stainless steel flat head hardware;Mounts to the body itself - no resulting gap or misalignment when a body lift is installed;Slider is high strength DOM structural tubing;Welded to the Rocker Knocker with additional DOM tube spacers JEEP WRANGLER (LJ) UNLIMITED UNLIMITED RUBICON 2004 2005 2006 4L Power Tech (242) GAS Poison Spyder Customs Poison Spyder Rocker Knockers with Sliders (Bare Steel) - 15-08-045 15-08-045 Rock Sliders and Guards