Round Hand File Great for Metalsmiths, Metal Working & Filing. This is a new #0 cut round hand file. This file can be used for filing rounded inside corners and holes Use when necessary to enlarge a hole or round off a radius It is double cut. Has little or no clogging, a light knock is enough to loosen any clogging. Highly resistant to corrosion. Made in Switzerland. It measures approximately 6" x 1/4" (152.5 x 6.5 mm).