The alto sax LKAS-201 is brass body, gold lacquer fiinsh, very good leather pads, no air leaking and stable. The body and keys were buffed in Japanese way. We make pivot screws with spring. The accessories include mouthpiece, reed, ligature,cap, strap, screw driver, glove. Very good canvas case. OEM service Pls feel free to contact me if you need any more information.