K&G Cornet 2A; mouthpiece for cornet; designed for International Cornet Soloist Jim Hayes; rim inside diameter: Ø 17,00mm, cup depth: A (shallow); a unique cup shape that facilitates easier high-register playing; medium wide rim, silver plated; Kurun & Gilbert mouthpieces are engineered mouthpieces; their design is based on years of knowledge and experience together with applied engineering principles ranging from fluid mechanics to acoustics; K&G Mouthpieces aim to offer the musician great intonation, slotting of notes, musical range, articulation, sound projection, vibration and ease of playing through its efficient design