The Malone SteelTop Universal Cross Rail System is designed to attach to factory-installed raised side rails. These medium-duty racks are an affordable choice for transporting lightweight loads such as bikes kayaks canoes and roof boxes. It comes complete and no additional tools are required. Designed to fit a wide variety of vehicles Corrosion-resistant steel bars for longer life Spacer blocks to fit smaller bar profiles Llocking security attachment towers Square shape fits most rack accessories Complete system ready to install Simple Installation no additional tools required Manufacturer limited lifetime warranty against defects in materials and workmanship