CV Steel for Long-Lasting Precision: Made from chrome vanadium steel, these Forstner bits stay sharp through repeated use in softwood, making them ideal for hinge holes and furniture projects Self-Centring Tip for Confident Drilling: The self-cutting centring tip ensures accurate positioning and stable freehand guiding, so you can drill clean, flat-bottomed holes without a drill press Fast, Efficient Material Removal: Two sharp main cutting edges deliver rapid drilling progress, while the special cutting edge geometry reduces heat build-up for effortless, consistent results Versatile Size Range in One Set: Five bits ranging from 15 mm to 35 mm cover the most common woodworking needs, including 35 mm Euro cabinet hinge recesses, all in a single purchase Secure 8 mm Round Shank: The 8 mm round shank locks firmly into standard drill chucks, and the 90 mm drill length supports both through-drilling and controlled depth-limited boring