Schilke Standard Series Large Shank Trombone Mouthpiece in Gold 51D Gold Standard Series Large Shank Trombone Mouthpiece in Gold 51D Gold The Schilke line of trombone mouthpieces offers a very comprehensive line of equipment to meet any playing needs by trombone players, baritone horn players and euphonium players Great care has been taken to provide as many functional products as possible All models in this listing are gold plated large shank mouthpieces The Schilke line of trombone mouthpieces offers a very comprehensive line of equipment to meet any playing needs by trombone players, baritone horn players and euphonium players