LiftSmart material lifts, commonly called duct jacks, make material handling easy and efficient. With multiple series and models, you can get the lift that is perfectly suited to your needs.They feature a dual handle 2-speed winch, allowing you to raise the load twice as fast as competing models. Robust cast metal cable pulleys and US made non-marking casters provide superior durability. Narrow base width and ultra-compact lowered mast height makes it easy to maneuver through a single door without having to tilt the machine back. Loading wheels can be quickly adjusted to various tailgate heights providing easy loading and transport to and from job sites.