The world's standard for quality and performance! Glardon-Vallorbe Swiss Made Precision files are manufactured by Usines Metallurgiques de Vallorbe (UMV) to precise production standards, using a combination of machine cutting and hand craftsmanship to produce the most accurate, best cutting, and longest-lasting files in the world. Formerly marketed in the United States using the brand names Grobet-Swiss and Grobet-Vallorbe, Glardon-Vallorbe Swiss Made Precision Files are made of the finest heat-tempered, chrome alloy steel and have the "right" feel, action and balanced desired by all true craftsmen. Glardon-Vallorbe Swiss Made Precision Files deliver superior performance on all metals. Simply the best you can buy! Insist on Genuine Swiss Made files from Glardon-Vallorbe.