The Gorilla-Lift is a revolutionary product that takes 100% of the weight off heavy utility trailer tailgates or ramps, enabling them to raise or lower with virtually no effort. Features 2-sided assist and recommended for tailgates 4- to 6-ft. tall with a maximum weight of 300 lbs. Side rails can be square tube, round tube or angle iron. Can extend life of trailer gate. Compatible With: Lift gates, Load Capacity (lbs.): 300, Overall Width (in.): 2, Height (in.): 2, Material Type: Steel with powder coat finish, Includes: Ramps