Meinl-Weston F Tubas

Graduated bore: 0.768in - 0.846 in Bell diameter: 16.5in 6/4 size (Model Klemens Propper) 6 rotary valves (4 right, 2 left)

Bore: 0.689in Bell diameter: 13.8in Height: 31.1in 3/4 size 5 rotary valves

Bore: 0.748in Bell diameter: 17.25in 6/4 size (4th valve: .787in) thumb activated 5th rotary valve 4 front action piston steel valves (Big Valve) Halftone trigger