Features The height of the lifting bracket can be flexibly changed and can be easily adjusted by rotating the joint. Can be connected to all kinds of instruments with 5/8" screw thread on the platform. Made of aluminum alloy material, high hardness, wear-resistant and not easy to break. Equipped with a storage bag, it is easy to carry and use anytime and anywhere. Suitable for house ceiling, dust scraping, installation of doors/windows, road construction, stair laying, etc. Specification Material: aluminum alloy Height: 1.04-4m Main color: yellow Screw thread: 5/8" .