Heat-treated extension screw allows low pick-up height adjustment and maximum lift height. Sturdy one piece handle assembly is standard on all Omega Truck Jacks. U.S. Patented built-in by-pass device protects hydraulic system from over pumping damage. In-line air filter traps contaminates and protects air motor for longer life. A choice of three handle angles: 90 degrees for space saving storage, 45 degrees for easy carrying movement, 0 degrees for access to lifting point The Omega 22 ton Low Profile Axle Jack can reach heights as low as 8 1/4 inches. With chrome plated rams, this Omega Axle Jack is a workhorse in the professional market.