All WEINERMUSIC instruments are serviced by Mark Kasten,
- Key: F-Bb
- Pitch: A445, with reversible 4th valve to "Bb-F"
- Bore: 11.89 mm (.468")
- Mouthpipes: Newly developed tapers #3 is .306 venturi #6 is .310 venturi
- Lever action: Noiseless string action, short stroke with stainless steel springs
- Valve rotors: Tapered hand-lapped brass with nickel silver outside casings
- Bearing plates: Tapered brass
- Material: Solid nickel silver
- Slides: Both inside and outside are hand-lapped nickel silver with rolled beads; short-length recessed slides for quick removal
- Bell: Large-throated hand-hammered specially annealed and tempered bronze, detachable, 12 1/4 " diameter
- Mouthpiece: Genuine Holton medium-deep cup
- Waterkey: On each mouthpipe for quick water removal
- Case: Ultra compact wood shell case with dual handles and brass hardware