Model #TP5010-7 Raw Brass Model #TP5050-7 Lacquered Model #TP5120-7 Silver PlatedTechnical Specifications:Bore: Dual Bore Bb (12,1mm/0.476") & Hi-F (11,9mm/0.468")Bell: Bellflex (310mm/12 1/5")
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Model #TP5011-7 Raw Brass Model #TP5051-7 Lacquered Model #TP5121-7 Silver PlatedTechnical Specifications:Bore: Dual Bore Bb (12,1mm/0.476") & Hi-F (11,9mm/0.468")Bell: Gold brass (310mm/12 1/5")
Model #TP5012-7 Raw Brass Model #TP5052-7 Lacquered Model #TP5122-7 Silver Plated Technical Specifications:Bore: Dual Bore Bb (12,1mm/0.476") & Hi-F (11,9mm/0.468")Bell: Copper (310mm/12 1/5")