Marching Baritone for Sale by Blessing Instruments The BM311 is a forward bell baritone with a huge, resonant sound. It is designed with a large shank mouthpiece and large bore allowing for greater blowing freedom to facilitate the volume demands of outdoor playing. The compact wrap design affords a balanced, focused sound making the BM311 an excellent choice for any marching band in a parade or on the field. Clear Lacquer Finish. A finish preference is dictated by the demands of a marching band, uniformity, or personal taste. Lacquer is a clear epoxy coating applied to protect the natural shiny finish of polished brass. The tone is warm, clear, and focused. It is less expensive and easier to maintain. .571” Bore 10” Bell Diameter Yellow Brass; Two-piece Bell Rose Brass Lead Pipe Yellow Brass Body Plastic Finger Buttons Stainless Steel Valves Clear Epoxy Lacquer Finish