Rico Graftonite Soprano Sax Mouthpiece, B7The Graftonite line of mouthpieces, designed by Arnold Brilhart, incorporates revolutionary materials to achieve ease of tone production. Each Graftonite mouthpiece is made from durable polycarbonate material. They are available in three chamber sizes, three tip openings, and are priced affordably, making them ideal for students. Tip opening: . 065" Facing length: 19mm Chamber: Medium