Use our Maxxhaul 50613 Aluminum Truck Rack Adjustable Height for hauling ladders, lumber, planks, and much more. It is constructed from aluminum with a powder coat finish to withstand rust and corrosion. The rack features an adjustable height position of 18-3/4" to 28". Adjustable mount width (mounting braces inside distance) is equipped from over 66" (up to 78") to fit most truck beds. The rack protects different size loads with the provided load stops that adjust to the full width of the truck. It is designed with a C-clamp mounting system for no-drilling required and easy installation. It provides a maximum on-road rating of 500 lbs and a maximum off-road rating of 300 lbs. The rack is ideal for any shop owner, home craftsman or contractor with a lot of equipment to haul. Please note that you will need MaxxHaul 50620 Coss Bars (Not Included) to use this as a complete rack system.