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 Bb, .472″ bore 10 1/2″ yellow brass bell Stainless steel pistons Clear lacquer finish Mouthpiece and stackable case Available asEFH311MS with Siler-plated finish The instrument listed for sale here also includes ourInstrument Maintenance Plan.