Features: 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. From durability metal, this adapter offering 3 length options—20cm, 30cm, and 50cm—to accommodate various needs Featuring a flexible designing that allows for adjustable viewing and wide compatibility with any 1/4inch screw and ballhead. For photographers, videographers, and content creators who require reliabled and adaptable mounting solution. Perfectly for use in photography studios, live streaming setups, outdoor, or any scenario where stable and adjustable camera or lighting support enhancing the overall experience. Specifications: Item：Metal Hose for Phone Bracket Fitting Length：about 20cm/7.87in 30cm/11.8in 50cm/19.7in Component：Metal Connection：1/4 Female Threaded to 17.4mm Ballhead Package Includes: 1PC 1/4 Screw Metal Hose note: Due to the problem of lighting effect, there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurement.