Use it to initial personal tools or to restore graduations on rules, height gages, calipers, micrometers, etc. Its low-cost, disposable design offers limitless applications. Overall length is 6-1/4 .
Fowler Carbide Tipped Scribers - Penn Tool Co., Inc
Metal Etching Pen
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Fowler
Optical Comparators Swiss Instruments Limited
Fowler
Fowler 52-730-005-0, Chemical Etching Pen for Metal : Tools & Home Improvement
General Tools 505 Cordless Engraving Pen for Metal - Diamond Tip
Arc Etch Pen