RAM's 3500 Heavy Duty Power Jack. Easy to operate with just a flip of the switch. Durable exterior grade black powder coat finish on outer tube. Zinc finish inner tube with removable sand foot. 18" travel height. Bright LED light for easy night time hookup. Include a drop leg for 7 1/2" of additional adjustment. Durable hardened steel gears for year and years of normal use. Crank handle for manual override in case of power loss. Setup for 12 volt battery use.