Bb keyPitch 440, 442 HzFrench (Boehm) systemBore 14.8 inch, 14.8 mmTinted grenadilla wood bodyTinted grenadilla wood bell17 keys6 rings4 trill keysMetal connection ringsAdjustable thumb rest with ring for neck strapSilver plated keyworkLeather padsAccessories included:65, 63 mm tinted grenadilla wood barrelsMouthpieceMetal ligatureMetal cupMicrofiber swabCork greaseWooden hard shell case