Francoski rog double Merker-Matic F/Bb-Bb/F H289 Holton

F/Bb-Bb/F-Tuning, reversible Dual bore: F: .468" (11,89 mm) Bb: .460' (11,68 mm) Nickel-silver leadpipe (.296'') with waterkey Nickel silver inner and outer slides Adjustable finger hook, 3rd valve slide with waterkey String action Lacquered finish Extra large throated, hand-hammered nickel-silver bell Screw bell 703.586