Features: brand new and high quality These adapters are made of aluminum alloy and are very safe. Anti rust, anti-corrosion, strong and durable. Photographic equipment accessories, suitable for all kinds of photographic equipment. The surface is smooth, the thread is clear, and it is not easy to rust. The force is uniform, the thread is clear and accurate, and it is not easy to slip in the process. This Screw Adapter studs for mounting cameras, webcams, LCD monitors, filming lights ,recorders, Ballhead, tripod adapters and other photographic accessories on a microphone stand holder. Specifications: Material:Aluminium Alloy Size:as the Picture Show Color:Black Note: Please allow an error of 0-3mm due to manual measurement. Package includes: 1 x Screw Adapter Studs