"You asked, and the trailer jack experts listened. The Trailer Valet JX 7K Side-Mount Drill-Powered Jack makes it easy to raise or lower trailers up to 7,000 lbs. using a 20-24V cordless drill (not included). This heavy hitter of the trusted JX series was built for speed, comfort, and longevity. The JX7-S saves your elbow and bolts to the side of your trailer frame for an easy mount with no welding. This provides up to 27"" of vertical adjustment with either the drill attachment or detachable hand crank. Built tough from a 1-piece welded square tube and covered in the Trailer Valet signature wrinkle black coating, it's made to handle the roughest conditions and outlast lesser jacks. The JX7-S trailer jack comes with a detachable hand crank, drill attachment, mount bracket hardware, and footplate. It bolts onto your trailer frame with a fixed bracket for an easy mount. Each bracket has 6.4"" of space between the top and bottom holes, so you're able to get the perfect fit jack with no welding. When you've got the jack adjusted to the height you need, the welded-on footplate ensures a solid foundation for safe loading and unloading. It also features an innovative weather sleeve that not only reduces metal-to-metal friction for smooth operation, but it protects the components from the elements. Inside the jack, the patented gear system was designed to reduce heat retention for smooth, long-lasting operation. 3:4 gear ratio. Includes drill attachment, footplate, and hand crank. Raises and lowers trailers up to 7,000 lbs. using a 20-24V cordless drill Also works with a detachable hand crank (included) Provides up to 27"" of vertical adjustment Innovative weather sleeve reduces friction Signature wrinkle black powder coat Patented and long-lasting gear system Built tough from a 1-piece welded square tube Welded-on footplate"