Easiest manually operated jack system. Heavy duty construction, 2,000 pound capacity per jack, zinc plated steel tubing. Nylon guides are used between telescoping tubes for trouble free operation. Easily replaceable seals if ever required. A no creep travel latch and a thumb screw to ensure against creeping while traveling. Includes single jack and C-clamp. 36 inch lift 53 inch length 89 inches over all. Single zinc