This is a professional adapter to convert 5/8" thread to 3/8" thread. Solid iron universal thread adapter with external thread 5/8"-27(16mm) and internal thread 3/8 inch -16 (8mm). Allows mic mounts and other audio equipment with 5/8" thread to be mounted on 3/8" stands/other hardware. For use with mic stands with European 3/8" threads. Feature - Color: Gold - Material: Metal - Size: 1.55 x 1.55 x 1.45 cm - Made of durable metal, solid and anti-shock. - Screw adapter to convert 5/8" thread to 3/8" thread. - For use with mic stands with European 3/8" threads. - Solid iron universal thread adapter with external thread 5/8"-27(16mm) and internal thread 3/8 inch -16 (8mm). - Allows mic mounts and other audio equipment to stands and other hardware.