"With the Malone Paddle and Mast Carriers, transporting long SUP paddles, kayak paddles and sailboard masts is stress-free. The carriers attach to round, square or aero-style crossbars and ratchet tight with top and bottom padding to protect and secure up to four paddles or masts. The included universal mounting hardware comes with two lengths of mounting bolts to ensure proper carrier fit to your vehicle’s crossbars. These carriers work with crossbars up to 3.25"" in diameter, and up to 2"" tall and 3.5"" wide (with 85mm bolts provided). This product ships with all of the following pieces: two paddle carrier saddles, two universal fit adapters, four 60mm mounting bolts, four 85mm mounting bolts, 4 T-knobs, and the instruction manual. Please note that paddles are not included."