Ruby Midget File Oval Bead Stringing 6-prong head designed for 6

6-prong head designed for 6 mm round center stones

precise profile designed for detail sharpening and honing work in the jeweler's or metalsmith's shop

Do not add powder to water heated above 140 °F (60 °C)

Compatible with Foredom flexible shaft machines with 5/16" diameter shafts

Ruby Midget File Oval Bead Stringing 6-prong head designed for 6The Ruby Midget File in an oval profile is a precision finishing tool 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, repeatable work on the hardest materials. The file measures 4" 0. 16" 0. 06" and can be reshaped or adjusted using diamond wheels and burs