Key: F Pitch: A445 Bore: 11.89 mm (.468") Mouthpipe: .310" 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 and crooks with solid nickel silver connecting ferrules Slides: Both inside and outside slides are nickel silver Bell: 12.25" diameter medium-throated yellow brass Options: Eb tuning slide
