Can be installed on tripods, monopods, phone holders, light stands and other devices A 1/4 inch to 3 / 8 inch socket adapter, suitable for tripods, gimbal stabilisers and camera accessories with 1/4 inch or 3 / 8 inch connection 4 types to choose from: 33 / 29 x 237 mm, 29 / 26 x 236 mm, 26 / 22 x 235 mm, 22 / 19 x 234 mm Extend the height of the tripod, easy to install and use Made of high quality carbon fibre, which is very stable, lightweight and portable