TS3100LQ - Refined key mechanisms provide the TS3100LQ a professional look and feel at a modest price. Ideal for the advancing student or aspiring pro. Equipped with a high F# key for advanced literature, and adjustable thumb hook for ergonomic hand placement. -- Key: Bb -- Construction: Post to body -- Auxiliary Keys: High F# key -- Thumb Hook: Adjustable (ABS) -- Neck Material: Yellow Brass -- Body Material: Yellow Brass -- Bell: Yellow Brass -- Pads & Resonators: Pisoni pads & metal resonators -- Bell Decoration: Hand engraved -- Mouthpiece: 4C -- Finish: Clear lacquered body and keys