Section 18 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof 92 Musical instruments; parts and accessories of such articles 92 06 Percussion musical instruments (for example, drums, xylophones, cymbals, castanets, maracas). Commodity Code Description 92 06 00 Percussion musical instruments (eg drums, xylophones, cymbals, castanets, maracas).