Bahco Flat files do the same jobs as hand files but are sometimes preferred because the tapered shape enables the user to reach into angles and corners more easily. Slightly tapered in width and thickness. Suitable for general work on iron and steel. Double cut on both sides and single cut on both edges. Smooth Cut: approx. 62 teeth per 25mm (Fine).Second Cut: approx. 36 teeth per 25mm (Medium).Bastard Cut: approx. 26 teeth per 25mm (Coarse).