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. D=44.5 mm. Cut length=22 mm. B=9.5 mm. B2=12.7 mm. R=5/8 inch. R=16 mm. Shank Diameter=1/2 inch.