Design: Attaches directly to any roof rack for a quick, tool-free assembly, right out of the box 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 attachment points for Bow and Stern tie-downs) Durable over-molded rubber cushions the canoe gunwale while providing stability Simple, tool-free 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 Get your canoe to the water safely and spend more time on the water Specs: Weight: 3.50 lbs Dimensions: 14in L x 7.50in W x 3.25in H Minimum Crossbar Spread: 24in