Trend Professional Ovolo & Rounding Over Cutters 25.4mm Diameter x 13mm Cut x 6.3mm Radius x 1/4" Shank ​46/115X1/4TC - ​Bearing Guided Round Over Ovolo Cutter Key Features: 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 A full round/bullnose for stair treads can also be produced by taking a second pass from the opposite side of the workpiece Specification: D: 1 inch (imperial diameter) D: 25.4 mm (metric diameter) C: 13 mm (metric cut length) B: 9.5 mm (metric bearing diameter) B2: 12.7 mm (metric bearing diameter) R: 6.3 mm (radius) OL: 50 mm (overall length) Shank Diameter: 1/4 inch