This is an aluminum pick-up truck rack for ladder, lumber, kayak utilities carrying. <br>This rack set has been stationary weight-tested with 800 lb loads. <br> It features the rust-free material of aluminum. <br> It also comes with eight aluminum C-clamps for non-drilling installation,making it compatible with a variety different truck models. <br> This unit is Powder-coated with weather resistant paint. Built to work & last.