Gorilla-Lift 2-Sided Tailgate Lift Assist &ndash; Easily Raise and Lower Your Tailgate With One Hand -Model 40101042GS Raise or lower trailer tailgates with almost no effort Adjusts for different sizes and weights of tailgates Lighter tailgates will not pop up off the ground and heavier tailgates will not fall to ground Fully encloses lifting system inside a housing Attaches to your trailer quickly and easily