462″ bore = 11,73 mm Bell Ø 4 4/8” = 121 mm Gold brass bell and leadpipe 1st and 3rd

462″ bore = 11,73 mm Bell Ø 4 7/8” = 124 mm One-piece yellow brass bell Gold brass leadpipe Monel

4 top action valves 580″ bore = 14,73 mm Bell Ø 11″ = 279 mm Upright bell Mouthpiece 146 Hard

3 top action valves 3/4 size, especially for children 562″ bore = 14,27 mm Bell Ø 10” = 254 mm

562″ bore = 14,27 mm Bell Ø 11″ = 279 mm Upright bell KING 6 1/2AL mouthpiece Hard shell case