Keep that unorganized tool box in the garage and stress no more, the Malone Auto Racks VersaRail Bare Roof Cross Rail System comes assembled and includes the only tool you will need to turn your bare roof into an adventure ready rack. These corrosion resistant cross bars boast a rectangular shape to fit a large majority of accessories, hold up to 135lbs, and securely attach to your car via vacuum towers and 1. 5inch safety straps.