Bb/F/D/Gb, Eb/G-tuning F-Attachment with nylon ball- and -socket linkage 562 bore (14,27 mm) 10 Hand-hammered gold brass bell Hard

Bb/F-Tuning 562 bore F-Attachment with nylon ball- and -socket linkage 562 bore (14,27 mm) 9 hand-hammered gold brass bell Hard

Bb/F-Tuning F-Attachment with nylon ball- and -socket linkage 547 bore (13,89 mm) 9 hand-hammered gold brass bell Hard chrome-plated nickel

Bb/F-Tuning F-Attachment with string action 547 bore (13,89 mm) 9 hand-hammered gold brass bell Hard chrome-plated nickel silver inner

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

F/Bb-Bb/F-Tuning, reversible Separate Bb-tuning slide Dual bore: F: .468 (11,89 mm) Bb: .460' (11,68 mm) Nickel-silver leadpipe (.306'')