★ These adapters are 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.