Cross section allows use on convex and concave surfaces. Tapered very slightly towards point both in width and 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).Select Option 100mm (4in)150mm (6in)200mm (8in)250mm (10in)300mm (12in) Add to Basket Quantity