Set of 6 test files in case
This set of test files offers a simple, quick and inexpensive solution for estimating the hardness of a metal with a hardness range between 40 and 65 Rockwell C or 392 and 865 Vickers.
This set of test files offers a simple, quick and inexpensive solution for estimating the hardness of a metal with a hardness range between 40 and 65 Rockwell C or 392 and 865 Vickers.
