Infinity model - hand crafted models of the highest caliber- Patented ball-bearing Infinity Axial Flow valve- Open-wrap construction- Modular system- Patented adjustable valve lever- Reversed main tuning slide with brass bow- Brass outer slide- Nickel silver inner slide- L- bore: 13.90 mm (.547")- Diameter Ø: Brass bell: 216.00 mm (8.5")- One-piece hand hammered bell with flat beaker rim- Each bell consists of one piece and is hand hammered- Clear-lacquered- Ships without mouthpiece- Includes deluxe wooden case CA1867