The Stake Pocket Truck Rack works with and without tonneau covers. Use it to carry both work and play items. It can handle loads up to 500lbs. The Stake Pocket Truck Rack is not just a Lumber Rack, Ladder Rack, Kayak Rack, or Canoe Rack Ladder Rack. It is also a truck tonneau rack. The Extra-Wide Stake Pocket Rack with two ladders and a Folding Tonneau Cover.