Knife files are tapered in width and thickness, but the knife edge has the same thickness from shoulder to point. The included angle of the sharp edge is approximately 10°. Generally used to file in a slot or wedge shaped opening; curved knife edge allows for easily filing in restricted areas. Double cut on both sides, top edge is safe while knife edge is single cut.
Swiss Vallorbe Pattern Files are manufactured to precise production standard, using a combination of machine cutting and hand craftsmanship to produce the most accurate, best cutting and longest lasting files in the world. They are made of the finest heat tempered, chrome alloy steel and have the "right" feel, action and balance desired by all true craftsmen. They deliver superior performance on all metals. Simply the best you can buy.