All WEINERMUSIC instruments are serviced by Mark Kasten,

Key: Bb
Pitch: A445
Bore: 11.89 mm (.468")
Mouthpipe: .306 venturi, yellow brass
Lever action: Noiseless string action, short stroke with stainless steel springs
Valve rotors: Tapered hand-lapped brass
Bearing plates: Tapered brass
Material: Brass branches, bows, crooks and connecting ferrules are brass
Slides: Both inside and outside are lacquered brass
Bell: 12.25" diameter small-throated yellow brass