Ruby Midget Files Half Round Rolling Mills These are not merely Swiss

These are not merely Swiss pattern files — they are genuine Swiss Made precision instruments that deliver superior performance on all metals

Compatible with Meiji and OttoSetters microscopes

they sit between standard ear nuts and the oversized "monster" style

Wide size range from #5/0 (1

Ruby Midget Files Half Round Rolling Mills These are not merely SwissRuby Midget Files in a half round profile are precision finishing tools made from pure, sintered crystals of synthetic ruby manufactured in Germany under the Degussit standard with no bonding material. This construction results in an exceptionally hard file that resists changes in shape, making it ideal for fine, controlled work on the hardest metals. The files hold their form well during use and can be reshaped or adjusted with diamond wheels and