PACKAGE INCLUDED: Roof box rack mounting fitting U-Bolt clamp kits included 4pcs galvanized U bolts, 4pcs plastic backplane, 4pcs rubber gasket, 8pcs heavy lock nuts, 2 bandages，1 Hole Sealing Sticker.
Fit Type: This roof box u bolt clamps is suitable for most cars on the market, can be used for 40mm thick luggage rack.
Feature: u-bolt clamps using galvanized steel material, durable, good alkali resistance, acid resistance, corrosion resistance, strong temperature resistance.
NOT EASILY DEFORMED : This product has a rubber gasket and a plastic back plate，which can protect your car from scratches to the greatest extent, and can increase friction to improve overall stability.
Easy to Install: No need to drill and install directly.
