The Blessing B154RT Artist Flugelhorn is in the key of Bb. .460" bore; 6" one-piece, red brass (copper) bell; Monel® pistons; vertical tuning slides for 1st and 3rd valves; 3rd valve slide trigger; 3 Amado water keys; lacquered finish. Blessing includes valve oil and combo trumpet/flugelhorn case with your B154RT Flugelhorn.