The Vandoren M/O Bb Clarinet Ligature combines the lightweight construction of the Vandoren Masters ligature with the efficient inverted tightening system of the OPTIMUM ligature. The tightening system provides a tight secure fit with two small contact points allowing the reed to vibrate freely. This provides results in a clear response and crisp articulation. The slightly more bright sounds produced by the metal ligature are well suited for classical players. Vandoren Established in 1905 by Eugène Van Doren Vandoren is still family run to this day. Vandoren is a household name amongst woodwind players. Their reeds are a common sight on many professional clarinettists and saxophonists instruments. They also have a reputation for excellent mouthpieces and ligatures. Specifications Ligature Material: Metal Cap Material: Plastic Instrument: Bb Clarinet Colour: Pink Gold Plated