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 30 Dividing heads and other special attachments for machine-tools 84 66 30 00 Dividing heads and other special attachments for machine-tools Commodity Code Description 84 66 30 00 000 Dividing heads and other special attachments for machine-tools