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 heading 92.02 92 09 94 - - Parts and accessories for the musical instruments of heading 92.07 92 09 99 - - Other