Every Eastman instrument has been researched and developed using the synergies of Eastman’s design and manufacturing staff in full collaboration with leading players, resulting in a line of instruments fit for any setting. Key of BBb, 3/4 size .661″ bore, convertible rose brass leadpipe 14 3/8″ handspun yellow brass bell Stainless steel pistons Clear lacquer finish S.E. Shires Stadium Series mouthpiece and deluxe case w/wheels Available asEBB231MS with Siler-plated finish The instrument listed for sale here also includes ourInstrument Maintenance Plan.