The Vevor labor saving arm jack set is designed to lift, position, and support doors, windows, furniture, and other heavy items with precision. Each pair provides up to 330 lbs static lifting capacity and reaches a maximum lifting height of 9.84 inches. Built from cast aluminum and steel with a black electrophoresis and chrome-plated finish, it offers durable performance for home or jobsite use. A built-in three-way magnetic level helps with accurate alignment at 0°, 45°, and 90°. Its compact design, trident base, and non-slip padding make lifting, expanding, and clamping tasks easier and safer.