Bb keyPitch 440, 442 HzFrench (Boehm) systemBore 14.6 inch, 14.6 mmNatural grenadilla wood bodyNatural grenadilla wood bell (Cocobolo wood bell since autumn 2020)Undercutted tonal holes18 keys6 rings4 trill keysEb leverConnected H-C# leversMetal connection ringsAdjustable thumb rest with ring for neck strapSilver plated keyworkLeather padsAccessories included:65, 63 mm grenadilla wood barrelsMouthpieceMetal ligatureMetal cupMicrofiber swabABS case included