With its European quality cup bur, this simple to use tool is perfect for smoothing the rough and often sharp ends of cut beading wire. Round the end of rough or pointed wire with this cup bur tool. (A "cup bur" is a very small, cup shaped file which works perfectly on the ends of wire to smooth sharp ends. You will get a lot of use out of this little tool!). Just twist the hardwood handle while holding the cup on the end of your wire. The cutting surfaces that smooth the wire are inside a 1.8mm cup. Designed for softwire such as sterling silver, copper, or gold-filled wires.Details:1.8mm cupHardwood handleFor use with softwire such as sterling silver, copper, or gold filled