A 3 mm approximate overlap should be left before copy profiling, also when using plastic laminate always allow laminate adhesive to dry before trimming. This avoids clogging the guide bearing. Tooling Tungsten Carbide 1/2 in Shank. Angle A = 90 D = 19.1 mm C = 50 mm Profilers with shank mounted bearings for guidance, for use with router mounted above or below a table when following a template. Bearing guided cutters are suitable for both straight and curved work. For profiling and rebating applications only. NOT for plunge, cutting or grooving. A 3 mm approximate overlap should be left before copy profiling, also when using plastic laminate always allow laminate adhesive to dry before trimming. This avoids clogging the guide bearing.