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• Frame and jaws are precision ground of hardened stainless steel
this probe system allows for the optimal stylus arrangement for accuracy
• Blind bore measuring above 0
53-900-864-0 Lens system - Magnification 100X
• Verniers are adjustable for wear
Fowler Hardness Tester File Set 52-520-450-0 • Frame and jaws areFowler's Hardness Tester File Set is an inexpensive, easy to use method for determining material hardness by sliding the file across the object's surface. Six color coded files indicate hardness from 40 to 65 HRC. Conveniently packaged in a leather like case with a Velcro lined flap, the files are approximately . 157" in diameter and 7" in length (4. 3 x 175mm). Testing Procedure: Run the Black file (65 HRC) over test material. If it marks the