Barrette Needle File Great for Metalsmiths, Metal Working & Filing This is a new #4 cut barrette needle file This file can be used for filing flat surfaces, corners, keyways, dovetail ways, gear teeth and deburring Has little or no clogging, a light knock is enough to loosen any clogging Highly resistant to corrosion Made in Switzerland It measures approximately 7 3/4" x 1/4" (197 x 6.5 mm)