Bahco Half Round Cut File with a tapered half-round cross section to allow use on convex and concave surfaces. The edges and surfaces are tapered towards the point. It has a double cut surface, and it suitable for deburring work. Smooth Cut: Approx 62 teeth per 25mm (Fine). Second Cut: Approx 36 teeth per 25mm (Medium). Bastard Cut: Approx 26 teeth per 25mm (Coarse). Size 100mm (4in) Cut: half round bastard. Tanged. BAHHRB4