Charles Bay clarinet ligature from an American manufacturer. Rhodium-plated double screw. Made of very thin metal, it responds well, allows for easy breath control, and the reed vibrates naturally. The appeal is that the ligature's influence is minimal, in a good way. Rhodium plating provides a powerful and cohesive sound. There is some discoloration of the plating, so it is listed as having dirt and scratches, but there are no scratches or distortions that would interfere with use. Thank you!