The Vevor labor saving arm jack set is designed to lift, position, and support heavy items during installation, repair, and maintenance tasks. This 2-piece set provides up to 9.3" of lift and supports up to 440 lbs static capacity per pair for furniture, doors, windows, and woodworking applications. Built with cast aluminum and steel construction, it features dual descent modes for both precise adjustments and faster lowering. A built-in three-way magnetic level helps improve alignment and positioning accuracy during use. Its compact design also makes it practical for tight spaces, cleaning access, and general interior work.