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 09 Parts (for example, mechanisms for musical boxes) and accessories (for example, cards, discs and rolls for mechanical instruments) of musical instruments; metronomes, tuning forks and pitch pipes of all kinds. Commodity Code Description 92 09 30 Musical instrument strings 92 09 91 Parts and accessories for pianos 92 09 92 Parts and accessories for the musical instruments of 92.02 92 09 94 Parts and accessories for the musical instruments of 92.07 92 09 99 Other