John Frei Custom Workbench Genuine Bench Pin GemOro Glardon-Vallorbe files are graded from

Glardon-Vallorbe files are graded from 00 (coarsest) to 6 (finest)

Round graver profile suited for line work

making them the hardest steel files available

5mm) 4B-948 Platinum

Special High-Speed Steel (HSS) formulated by GRS for predictable

John Frei Custom Workbench Genuine Bench Pin GemOro Glardon-Vallorbe files are graded fromThe John Frei Custom Workbench Genuine Bench Pin is designed to fit John Frei Custom Workbenches with minimum modifications, if any at all. A notch in the tang accommodates the bench block bolt, ensuring a proper, secure fit without the need for additional alteration. Crafted in the USA, this is noted as the last of the genuine American made bench pins of its kind a distinction that carries real weight for professional jewelers who rely on quality