The KeelOver attaches directly to any roof rack for a quick, tool-free assembly, right out of the box. Not only will your canoe arrive to the water safely, but you’ll get to spend more time on the water, making for many happy paddlers. KeelOver PRODUCT DETAILS Universal design attaches to round, square, aerodynamic and factory bars with a single tightening knob Heavy-Duty Straps and Bow and Stern Tie-Downs included (HoodAnchor, sold separately, is required for vehicles with no attatchment points for Bow and Stern Tie-Downs) Durable over-molded rubber cushions the canoe gunwale while providing stability Simple, tool-fee installation and assembly within minutes of opening the box Dual bolts included to ensure an integrated fit to vehicle Rubber padding protects your crossbars from damage or corrosion PRODUCT SPECS Weight: 3.50 lbs. Dimensions: L 14.00 in x W 7.50 in x H 3.25 in Minimum Crossbar Spread 24.00in Limited Lifetime Warranty