Improve Driving Experience: Truck racks with c-shape tube are aerodynamic that will reduce wind noise at highway speed. Also we provide rubber strips that you can mount them on the crossbar channels to reduce wind noise further

Universal Fit: The steel mounting brackets of truck cap ladder rack can be flexibly adjusted to fit different bed lengths and widths. Accommodate a range of truck models and different size of your truck roof, or truck caps, camper shell, trailer topper, canopy topper

Expand Usage Space: Roof rack cross bars are designed with t-slot channels, you can install various cargo via t-screws (Not Provide!), such as bike, kayak, roof-top tent, etc. Increase your storage space and make your vehicle organized

Made to Last: Truck cap roof rack is made of reinforced aluminum for strength and corrosion resistance. Support up to 500 lbs when properly installed (capacity depends on your truck cap structure and mounting surface)

Drilling Needed: Before mounting truck topper racks, you need to drill holes on your flat roof. We provide necessory mounting hardware for you to install camper shell roof rack, easy to assemble.

Product Information: 2pcs 60" pickup topper ladder racks, 4pcs 3.3" steel mounting base( 3mm thick). And height clearance is 5.25"