[ HEAVY DUTY CONSTRUCTION ] – The racks are made of 22mm diameter and 1.5mm heavy-duty thick steel tube. Its 8.5-inch widened J-bar design expands contact with your kayak/canoe. Black Powder-Coated Steel for Durability & Rust Prevention Plus Long-Lasting, can resist all weather conditions, and is suitable for a long life.150 Lbs Tested, easy and safe for your transport. [ FOLDING AND ERGONOMIC DESIGN] – Ergonomic quick release design, more easily to fold and raise the racks than others. Racks can be folded flat when not in use, get better clearance to drive your car into garage and not have to remove. [ REDUCE SCRATCH DESIGN] – Foam Padding and Rubber Pedal design to reduce scratch of your kayak and prevent the canoe or kayak from rubbing. [ UNIVERSAL MOUNTING DESIGN ] – Compatible with most crossbars,such as square, factory and aerodynamic crossbars，Except the round bar. [ MULTI PURPOSE USE ] – Easy to Install, use this car roof rack to carry Kayak, Canoe, Surf board, Ski board, Snow Board and SUP. Extra 4 pcs tie down straps including. If you’re a water sports enthusiast, this multi-purpose heavy duty foldable kayak rooftop holders is a must-have! This double j bar kayak roof rack securely holds two kayaks， featuring high-strength stainless steel tubing (22mm diameter) for exceptional rust resistance, wear protection, and durability. The universal j hooks kayak rack easily attaches to rooftop crossbars, ideal for transporting kayaks, canoes, surfboards, paddleboards, and snowboards. The J-style design of this kayak carrier makes loading and unloading a breeze. Its Eva foam and rubber paddle safeguard your gear from scratches and dents. Universal kayak holders can support up to 150 lbs, offering a stable and reliable transport option. Four heavy duty tie down straps enhance security, ensuring your gear stays put, even in adverse weather. This universal kayak j hook is compatible with most flat, square, and oval crossbars, though round bars are out of luck. This kayak roof rack is incredibly versatile and ready to meet a wide array of transportation needs. Application Objects: This kayak rack is perfect for various items like kayaks, canoes, paddleboards, and more. Moreover, it works well with different types of vehicles including cars, SUVs, Trucks, Pickup, RVs, Sedans and Vans for transporting related equipment. Vehicle Models: This kayak rack is compatible with a vast array of vehicle models. Whether it's the well-known Outback, Rav4, Crosstrek, Wrangler, Renegade, Cherokee, 4Runner, Forester, or other models like Compass, Renegade, Equinox, Tacoma, Explorer, CRV, Escape, Soul, Bronco, Traverse, Runner, BMW, Tahoe, Highlander, Gladiator. There are many more compatible models; the ones listed are just common examples. Vehicle Brands: This roof mounted kayak rack is suitable for a wide array of brands such as Subaru, Ford, Toyota, Honda, Chevy, Kia, Nissan, GMC, and Hyundai. These kayak racks fit many more brands; those mentioned are just the common ones. Choose this heavy duty car top j bracket kayak for a safe and seamless travel experience!