Roof Box U-Bolt Clamps Kit, Rooftop Cargo Carrier Rack Bolt Clips, U-Bracket Clips with Lock Nuts, Universal Travel Accessories (Black)

1.This roof box U-bolt clamp set is crafted from premium materials, offering robust durability and superior waterproofing and impact resistance for reliable long-term use.2.Featuring a U-bolt design with integrated nuts, it ensures the roof box remains stable and secure even on bumpy roads.3.This universal roof box clamp is compatible with most vehicle models, suitable for diverse scenarios including camping and cargo transport.4.You will receive 1 set of roof box U-bolt mounting brackets. The package includes metal U-bolt clamps, plastic backing plates, rubber washers, and other accessories.

• Material: This roof rack U-bolt clamp kit is crafted from premium plastic and metal materials. Its robust construction delivers exceptional waterproofing and impact resistance, ensuring long-term reliability across diverse driving conditions.
• Compatibility: This universal roof box clamp fits most vehicle models on the market. It can be combined with roof accessories like crossbars and support plates to meet various needs of cargo transportation during camping and traveling.
• Design: The roof rack bolt clamps feature a U-bolt structure with nuts at both ends. The U-shape effectively distributes stress, ensuring the box remains stable on bumpy roads while eliminating the risk of loosening or detachment, enhancing driving safety.
• Dimensions: U-bolt clamp inner width 3.3 inches, thread center distance 3.5 inches, height 2.6 inches. Nut dimensions 2.0 x 1.4 inches, plastic backing plate dimensions 6.7 x 1.4 inches, rubber washer dimensions 4.9 x 1.5 inches.
• Package Contents: This roof box hardware kit includes 4 metal U-bolt clamps, 4 plastic backing plates, 4 rubber washers, 8 heavy-duty lock nuts, 2 straps, and 1 set of sealing stickers. The roof box mounting kit is easy to install.