| Bore | Dual Bore 14.7mm-16.6mm (0.580" - 0.654") |
| Bell | 305mm (12") Yellow Brass |
| Lead Pipe | Red Brass |
| Triggers | Main Tuning Slide |
| Valves | 4 Stainless Steel Piston Valves, Compensating System, (Bottom Sprung) |
| Inner Slides | Nickel Silver |
| Outer Sliders | Yellow Brass |
| Tuning Slide | Yellow Brass |
| Waterkeys | 3 |
| Finish | Lacquer or Silverplated (Optional) |
