Thompson Opaque Enamels - 1980 Bluish Black (Group A) Diamond Files & Alundum Stones Perfect for rounding and closing

Perfect for rounding and closing small bows without marring the inside or outside surface

and professional results when working with precious and soft metals

These cufflinks are ideal for jewelers seeking a professional finish with minimal effort

Clean Impressions: Sharp-cut engraving ensures precise and repeatable results

Manufactured from tightly rolled water buffalo rawhide

Thompson Opaque Enamels - 1980 Bluish Black (Group A) Diamond Files & Alundum Stones Perfect for rounding and closingLead free, 80 mesh vitreous enamel powder. Firing range is 760 815C, firing time varies from 2 5 minutes depending on desired effect. Medium temperature, medium expansion enamels for copper, silver, gold & some steels.