Parallel in width and tapered in thickness is also double cut top and bottom. One edge is single cut and one edge is safe.
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.
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