… machines of headings 84.56 to 84.65, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand. …
Explanatory notes
… . (B) Accessories for these machines, that is, subsidiary devices used in connection with the machines, such as … heading also includes tool holders for any type of tool designed for operation in the hand. Such holders are usually …