The Male-Manfrotto-E200 16mm/28mm Spigot Adapter is a durable metal adapter designed for use with photographic equipment. It converts a 16mm mount to a 28mm mount, which is convenient for attaching various accessories such as lights, microphones or reflectors to a tripod. The adapter is easy to install and is securely attached with a male thread. It is compatible with Manfrotto products, a brand known for its professional quality photography and video equipment.