Trend Rounding over, self-guiding TCT cutter for rounding over edges. Do not require a side fence. 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. Shank: 1/4in This Trend TCT Bearing Guided Ovolo & Round Over has the following specification: Radius: 6.3mm Cut Diameter: 25.4mm Depth: 12.7mm Shank: 1/4in TREC07614TC