The original Grobet Swiss files made in hundreds of sizes, shapes , and cuts from No. 00 to No. 8. These files are made to more exacting measurements and much finer cuts than the American pattern files. They are made of the finest heat-tempered, chrome-alloy steel and have the "right" feel, action and balance desired by all true craftsmen. Grobet Swiss Precision Files deliver superior performance on all metals. Simply the best you can buy. File lengths are measure from the point where the teeth begin to the end of the file.