From durability metal, this adapter offering 3 length options—20cm, 30cm, and 50cm—to accommodate various needs Enhances viewing with 1 / 4 female thread to ballhead extension rod gooseneck arm for connecting DSLR cameras, shoulder mounts, camera cages, light stands, mic stands, and tripods, ensuring secure and stable equipment setups Perfectly for use in photography studios, live streaming setups, outdoor, or any scenario where stable and adjustable camera or lighting enhancing the overall For photographers, videographers, and content creators who require reliabled and adaptable mounting solution Featuring a flexible designing that allows for adjustable viewing and wide compatibility with any 1 / 4inch screw and ballhead