1. material: Made of sturdy and metal material, with a non-damaging structure, it not damage the bottom of the door when it is raised. 2.Rotation: It rises in parallel and rotates 360 degrees, which is convenient for positioning and fixing on the door, panel or gypsum board, improves the efficiency of wooden door installation. 3.Easy to operate: The swivel-type door and board lifter is an easy to use and operate tool that allows you to lift boards or doors up to 2-3/8 inches with ease. 4.Versatile Utility: An essential tool for a wide range of professionals, including carpet installers, carpenters, plasterers, locksmiths, and drywallers, eliminating the need for traditional chisels and bolsters., Weight: 1.35804753392 Pounds, Manufacturer: Ehwisbe