Very centered when held, the King 1127SP marching baritone has an intense baritone voice with excellent pitch center and intonation. Large shank mouthpiece receiver provides an open blowing, yet flexible feel. Nickel plated pistons provide smooth, quick action and unmatched durability. The heavy duty marching case is designed to be stackable to minimize space requirements. Specifications: King "Ultimate" - Key of Bb, .500" bore, 10" yellow brass bell, nickel plated pistons, large shank mouthpiece receiver, adjustable 3rd slide finger ring, silver-plate finish, King 4G large shank mouthpiece, 7713C plastic shell case.