Bb keyPitch 440, 442 HzFrench (Boehm) systemBore 14.8 inch, 14.8 mmMopani wood bodyMopani wood bell18 keys6 rings4 trill keysEb leverMetal connection ringsAdjustable thumb rest with ring for neck strapSilver plated keyworkAccessories included:65, 63 mm mopani wood barrelsMouthpieceMetal ligatureMetal cupMicrofiber swabABS case included