Our U-bolt metal fixing kit is a must-have for anyone needing to roof cargo carrier on their car. The kit features strong U-shaped clamps and bolts, ensuring a secure attachment that withstands the demands of travel. Easy to use, it keeps your roof box in place, making it for transporting luggage, sports gear, or other items safely and conveniently on any trip. Features -Color:Black -Material:Iron -Size:17.00X3.40X2.10cm/6.68X1.34X0.83in -Reliable metal fixings: the cargo box is securely fixed to the car roof, providing stability and safety -Simple installation: makes the installation process straightforward and quick, ideal for busy schedules -Adjustable fit: the strap nut kit can be easily adjusted to fit different cargo box dimensions, providing flexibility -Construction: made from materials that ensuring the product remains in good condition over time -Multifunctional design: compatible with a variety of vehicles and roof cargo boxes, making it a practical choice for many users Package list: 4 x roof box u-bolt clamps with 4pcs plastic back plate 4pcs rubber gasket 8pcs lock nut 2pcs bandage 1 hole sealing sticker and instruction manual