The Rod Franks Signature Series Trumpet Mouthpiece's medium-sized rim diameter and cup make it a very versatile mouthpiece. It produces more sound for the amount of air for more efficient tone than most orchestral mouthpieces. The tone is focused yet rich and full. The Franks mouthpiece features a large throat for a powerful orchestral sound, yet remains easy to play and is equally well-suited as mouthpiece for students. Silver-plated.