Hand Cut File for filing flat surfaces sharp corners and shoulders as well as for deburring A double cut file should be used for work on high-alloy tool steels Also useful for the sharpening of heavy implements High removal rate Double cut on both sides - with one safe edge a safe edge permits work in corners Parallel sides but slightly tapered in thickness Smooth Cut approx 62 teeth per 25mm Fine Second Cut approx 36 teeth per 25mm Medium Bastard Cut approx 26 teeth per 25mm Coarse