Barrette Escapement Needle File Great for Metalsmiths, Metal Working & Filing This is a new #4 cut barrette escapement 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 Italy It measures approximately 5 1/2" x 1/8" (140 x 3 mm)