X AUTOHAUX 4 PCS Universal Roof Box U Bolt Clamps Rooftop Cargo Carrier Rack Bolts 83mm Internal Width W/ 8 Lock Nuts and 2 Straps Cargo Carrier Mounting Fitting Iron Bolts - a21122800ux0757

• [Fitment of Roof Rack Clamps Brackets ] Fit for most cars, van cargo carrier roof box on the market. Inner width 83mm/3.27in, width from center to center of screw thread 90mm/3.54in, diameter of screws is 7.5mm/0.3in. Can be used for up 80mm width luggage rack. Not suit for Thule Car Rack. [Neccessity of Cargo Carrier Replacement Bolts] To avoid the roof box fall and to keep its stable during driving. Rubber gasket and plastic back board can protect your car from scratches, and increase friction, improve overall stability and good restraint effect. [Features of Roof Box Bracket Kit] Made of iron and plastic, to anti-oxidant, wear resistant, strong temperature resistance, hard to break and deform, durable to prolong service life. [Install of Car Roof Rack Basket Bolts] 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. [Package of Roof Rack Mounting Brackets] 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. And check relevant install video when you in doubt.