4 PCS Universal Roof Box U-Bolt Clamps Rooftop Cargo Carrier Rack Bolts 85mm Internal U-Bracket Clips with 8 Lock Nuts 2 Strap Kit for Most Cars

Universal Roof Box U Bolt Clamps Rooftop Cargo Carrier Rack Bolts 85mm Internal Width w/ 8 Lock Nuts and 2 Straps Fit for roof box of most cars, van, cargo carriers. (luggage racks up to 40mm/1.57in thick) How to install this roof cargo box brackets? 1.Put the roof box in the center of the roof and open the lid. 2.Thread the U shaped hook from bottom to top. 3.Put a rubber washers on the hook, and put plastic support boards. 4.Tighten the heavy lock nuts on both sides. 5.Pass the strap into the gap of the bracket, connect and tighten the strap. ★Please confirm the size and appearance of roof box and install place before purchasing.

• ★U-bolt roof rack clamps is made of galvanized steel, which is strong and durable, resistant to oxidation, not easy to break and deform. Rubber gasket and plastic back plate protect your car from scratches. It can maximizes friction and overall stability. Helps on dirt roads, mountain roads, slopes and highways.
• ★Compatibility: his roof box u bolt clamps is suitable for most cars on the market, can be used for up 85mm(3.34 inch) width and 40mm(1.57 inch) thick luggage rack.
• ★Simple and convenient to install. Accurate mounting size and long-enough bandages, suit your roof box and daily opening and closing box. Small-sized, lightweight to store convenient.
• ★This roof box accessories contains 4x Iron bolts, 4x rubber washers, 4x plastic support boards, 8x heavy lock nuts and 2 bandages, 1x Black Sticker. Please confirm the size and appearance of roof box and install place before purchasing.
• ★Please feel free to contact our customer service if you have any product-related question.