Cup Bur for Smoothing the Ends of Wire in Jewelry Making, great on earwires.
The one and only tool to effectively de-bur the end of a wire after it has been cut! This 1.8mm cup bur smooth the ends of your wire a couple of twists of the hardwood handle. Just place the wire inside the cup, and rotate the handle back and forth.
It is suitable for 18 gauge, 20 gauge and 21 gauge wire.