Faithfull router bits are suitable for both DIY and professional users. All are Tungsten Carbide Tipped, to ensure longevity of working life, coupled with a good quality finish to the work. The guide bearing enables the cutter to follow intricate shapes. Rounding over bits produce a rounded profile along the edge of the material, it differs from the Ovolo cutter by producing a single step only. Description: Router Bit TC Round Over Radius (R): 6.3mm Depth (C): 13.3mm Shank: 1/4in