Description Product Description ■ tone B ♭ ■ rotary valve "light touch mechanism" new rotary valve with no easy-to stress. Nimble valve action, which takes you to concentrate on the music player representation. ■ It is a mechanism that can adjust the adjustable mouthpiece receiver mouthpiece and reed pipe gap (clearance). To suit the preferences of the player, you will be able to adjust the resistance feeling and blowing feeling. ■ to achieve a tone that is rich and spread Bell has adopted a gold brass bell of one up. Diameter 138mm. ■ bore size 11.24mm ■ silver plating specification instrument is characteristic is direct representation of itself, finer nuances silver plated finish put out. Soft and bright sound is attractive. ■ included mouthpiece TR-16E4 ■ included Case: This is the TRC-810 Vertical and horizontal either two places of the handle and a double case with excellent portability with a shoulder belt to be hanging.