... * 40 years of exporting and handmaking experience 1/20, 1/16, 1/10, 1/8, 1/4, 1/2, 3/4 sized ... . Additionally, all semi-finished plates have been naturally seasoned over 10 years for guaranteeing the outstanding tone quality as well. It ... Mr. Song in 1985. Specification and features:1/20, 1/16, 1/10, 1/8, 1/4, 1/2, 3/4 sized ...