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" .