SE - File Set - Tapered Diamond Needle, 3mm X 140mm X 70mm, 10 Pc - 742DF
This 10 piece tapered diamond file set includes: 180 grit: 6mm, 4mm, 3mm flat file; 260 grit: 6mm, 4mm, 3mm flat file; 360 grit: 6mm, 4mm, 3mm flat file. Each file has a length of 5-1/2in., a diameter between 2.5mm to 3.4mm, and diamond length 1-1/4in. These tools are great for filing and shaping glass, ceramic, rocks, carbide, metal, etc.