Trend C079X1/2TC Rounding over 12.7mm radius x 19.1mm cut Bearing Guided Round Over & OvoloSelf-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 workpce.Specification-D=38.0 mmC=3/4 inchC=19.1 mmB=9.5 mmB2=12.7 mmR=12.7 mmShank Diameter=1/2 inch