All WEINERMUSIC instruments are serviced by Mark Kasten,

CONNstellation
Key in F/Bb
.468" (11.89mm) bore
12-1/4" (311mm) large throat rose brass screw bell
Rose brass first branch and leadpipe
Nickel silver valve section and tuning slides
Tapered rotors and bearings
Fully mechanical change valve
Adjustable levers
Lacquer finish