Jeweler's Resource: A Reference of Gems, Metals, Formulas and Terminology by Bruce G. Knuth Bergeon 642 6-1/4" Cut 4 Fine

642 6-1/4" Cut 4 Fine LA2407-160-6 131

To ensure proper functioning

even light coverage ideal for detailed bench and inspection work

000 microns to a millimeter

3-Square File (one each) Length of Cut 4" Overall Length 8-1/2" Handle Built-in (extended tang) Safe Side Yes

Jeweler's Resource: A Reference of Gems, Metals, Formulas and Terminology by Bruce G. Knuth Bergeon 642 6-1/4" Cut 4 FineJeweler's Resource: A Reference of Gems, Metals, Formulas and Terminology by Bruce G. Knuth is a comprehensive look up reference designed to sit at the bench or desk alongside your working library. Rather than serving as an instructional how to text, this book consolidates the formulas, definitions, mathematical data, and terminology that jewelers, metalsmiths, and gemologists need quick access towithout hunting through multiple volumes. Knuth