Help U Load Heavy Duty Truck Bed and Roof Rack Hitch Mounted Extender for Lumber, Canoe, Boat 750 Pound Capacity Great for both construction and recreational hauling applications such as hauling ladders, lumber, pipe, canoes, kayaks, etc. Provides 750 lbs. distributed load capacity on type III or type IV trailer hitches Fits 2 in. type III receiver hitch mount Ratcheting cargo straps included (2) A hitch box extension may be required when using this in the vertical position with some vehicles Greatest capacity on the market and built like a tank Can be used as both a truck bed extender or overhead roof rack extender Snap pins make it easy to install and remove when needed Lumber Ladders Pipes Canoes Kayaks Surf Boards Paddle Boards Contractors and Woodworkers Do-It-Yourselfers Weekend Warriors Surfers Kayakers, Canoers, and Paddle Boarders