Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers and parts and accessories of such articles 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 66 Parts and accessories for machines of 84.56 to 84.65; tool holders 84 66 20 Work holders for machine-tools Commodity Code Description 84 66 20 00 Work holders for machine-tools 84 66 20 10 For the machines of subheading 8456.40.10, 8456.90.20, 8460.31.10, 8465.91.10, 8465.9 84 66 20 90 Other