- LOTUS Trumpet 7S Nickel Silver Gen3; mouthpiece for trumpet; cup diameter: 16.30 mm; cup depth: shallow; bore: 3.6 mm; material: nickel silver, LOTUS Golden coating: hypoallergenic, scratch-resistant and does not tarnish; focused and bright sound; clear response; maximised note targeting; suitable for big band and lead playing. THIS ITEM IS CURRENTLY NOT AVAILABLE YOU CAN CONFIRM THIS INFORMATION BY CLICKING ON ITEM