Bob Reeves Clarke 6-1/2AL Trombone small
Bob Reeves Clarke 6-1/2AL Trombone small, Mouthpiece for Trombone, Small shank, Inner diameter: 25.35 mm, Medium cup, Based on the original 6-1/2AL mouthpiece developed in the 1930s, The Clarke is a versatile mouthpiece, Works very well on trombones with 12.90 - 13.34 mm bore, Silver-plated