Enhance your car's storage capacity with our U-bolt metal fixing kit,for securing roof cargo carriers. The kit features durable U-shaped clamps and bolts that provide a strong hold, preventing any movement during transit. Whether you're a family vacation or a weekend getaway, this kit ensures your roof box stays firmly in place, offering peace of mind and convenience. Features -Color:Black -Material:Iron -Size:17.00X3.40X2.10cm/6.68X1.34X0.83in -Secure attachment: metal components provide a strong and stable connection, ensuring the cargo box remains securely fastened to the roof -Quick setup: u bolt clamps are designed for easy and fast installation, making the process -Versatile adjustment: the strap nut kit allows for easy adjustment to accommodate different cargo box sizes, enhancing usability - durability: constructed from materials, ensuring the product can withstand harsh conditions -Wide compatibility: suitable for various car models and roof cargo boxes, offering a universal solution for car roof storage needs 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