The cutters on this bit can be configured to give either 1/4in or 3/16in radius options for smaller or larger jobs. The minimum and maximum cuts are: for 3/16in radius - wood 3/8 - 1 3/8in; for 1/4in radius - wood 1/2 - 1 1/2in. The spacers can be adjusted to roundover both the top and bottom corners of the work piece at the same time. 1/2in shank.
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