For fine detail work, such as art craft, jewelry making.
It fits for needle files range of 0.3mm-3.0mm.
Comes with one needle file
Contains 4 small brass chucks fit for other size needle file.
Small chucks can be stored in slots of the handle.
Non-Slip handle for better operation.
Chuck made of copper while needle file is made of alloy Steel.
Solid and compact, allows you to work on your craft easier.