With the Vandoren Optimum Ligature, you'll find that more reeds perform to your expectations. Unsurpassed performance and reliability. Easily adjusts for any situation. Expression with freedom. Three pressure plates provide the performer with more choices in tonal color and response. Gold lacquered with inverted screw placement. The soprano and alto models fit most standard hard rubber mouthpieces. The tenor V5 fits Vandoren V5 tenor mouthpieces. The tenor V16 fits Vandoren V16 tenor mouthpieces. The baritone fits Vandoren baritone mouthpieces only. Includes plastic cap.