4 PCS Stainless Steel Universal Roof Box U-Bolt Clamps, Car Van Mounting Fitting Kit U Brackets Installation Accessory, Mounting Fitting Kit for Car, Black

【Materials】: This U-Bolt is made of stainless steel. According to research, stainless steel has weak magnetism, so it will also be attracted by magnets.
【High Quality】:Roof box fitting is made of stainless steel, which is wear-resistant, anti-oxidation, not easy to break and deform, and has a long service life.
【Package Include】: Roof box rack mounting fitting U-Bolt clamp kits included 4pcs galvanized U bolts, 4pcs plastic backplane, 4pcs rubber gasket, 8pcs heavy lock nuts, 2pcs strap
【Easy to Use】: Roof box brackets are small-sized, lightweight and space-saving, can be placed in the room or in the car. The installation is simple and convenient, and it is convenient to use.
【Universal size】: Inner width: 85 mm. The width from the center to the center of the thread is 90 mm, and the diameter of the screw is 7 mm. Can be used with roof reinforcement up to 40 mm thick.