The Vevor labor saving arm jack is designed to make lifting, positioning, and leveling heavy items easier for installation and repair work. It offers up to 4.7" of lift and supports loads up to 200 lbs for doors, windows, cabinets, furniture, and woodworking tasks. Built from cast aluminum and steel with a chrome-plated steel surface, it is made for durability and stability. A built-in three-way magnetic level helps improve alignment accuracy during setup. Its compact, lightweight design also makes it easy to carry to job sites.