14K Bent Stamp For Jewelry Marking Machine Stone Setting Tools Consult your GRS system documentation

Consult your GRS system documentation or contact Otto Frei for base compatibility guidance

Made in the USA by America's largest family-owned findings manufacturer from responsibly sourced gold and platinum

Charcoal refill material available separately (Otto Frei #147

Length varies by size: 85mm (3‑3/8″) for Stubs #30 to 66mm (2‑5/8″) for Stubs #70

14K Bent Stamp For Jewelry Marking Machine Stone Setting Tools Consult your GRS system documentationThe 14K Bent Stamp for Jewelry Marking Machines is a professional grade marking tool designed to imprint the 14K karat designation onto metal jewelry pieces. The bent shank configuration allows the stamp to reach angled or recessed surfaces that a straight stamp cannot easily access, making it well suited for marking ring shanks, curved bands, and similarly shaped jewelry components. Offered by Grobet USA, this stamp is intended for use with