The GCL-300 is a solidly constructed student to intermediate instrument intended to give the learning musician an affordable instrument to develop his or her skills on. It is built with quality materials and craftsmanship that ensure it will withstand the rigorous student treatment an introductory instrument can sometimes undergo. In addition to a durable ABS body, it features undercut tone holes for superior intonation, a .580 bore and nickel-plated nickel silver keys. Playing features include the Boehm key system, offset trill key and individual G#/A mounting keys.