Full-Size Aluminum Bas s Aluminium body reed with carbon fibre tongue for the bass drone on a full-size bagpipe. Approximately 3/8″ (9mm) diameter by 3 1/2″ (89mm) long. Mideast makes this instrument with their full effort. All the effort they can do is just only is for there loving customers. To buy Aluminum Bass Drone and musical instruments, visit www.mid-east.com.pk