Self guiding cutters for rounding over edges do not require a side fence they are supplied with two bearings use the larger bearing for a round over if the cutter is lowered a top quirk can be produced bullnose mouldings can also be produced by taking a second pass from the opposite side of the workpiece specifications d151 mm c1 inches c25 mm overall length63 mm b95 mm r134 inches r1191 mm shank diameter12