Ruby Midget Files are invaluable for high detail and ultra-precision work. They may be broken off and cemented onto a holder or used with a pin vise. Available in fine grit. Shape mm Dimensions Inch Equivalent Square 100 x 2mm 4" x 0.08" Round 2mm 100 x 2mm 4" x 0.08" Round 3mm 100 x 3mm 4" x 0.12" Half-Round 100 x 4 x 2 mm 4" x 0.16" x 0.08" Barrette 100 x 5 x 1.5mm 4" x 0.2" x 0.06" Crossing 100 x 4 x 1.5mm 4" x 0.16" x 0.075" Triangular 100 x 3mm 4" x 0.12" *All dimensions have tolerance of ±0.1mm.Ruby Stones are the ideal choice for deburring, blending, dressing, and fine polishing of molds & dies made of hard metals such as hardened tool steel, carbide and surgical stainless steel. Jewellers use them for sharpening of carbide and high speed steel engravers and other tools.
