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 & curved work. For profiling & 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. 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. 1/4 in. Shank. Angle A = 90 D = 12.7 mm. C = 25.4 mm.