Go Rhino Dominator Xtreme D6 Running boards with Rocker Panel Mounting Kit For Crew Cab Only Model D64416T AMP Research PowerStep Xtreme This provides the accuracy and 46 lb Inner Dimensions This provides the accuracy and consistency in our ball mounts that we pride ourselves on and ensures that you receive the exact towing product you expect from an industry leading manufacturer Stress is the last thing you should feel when towing a trailer whether you're hauling your RV to that favorite camping destination The D6 Side Steps come with a Limited Lifetime warranty on materials and construction and a 5 year warranty on the Textured Blac k Finish Complete kit with bars and mounting brackets