Product Description To rout butterfly keys, splines and inlays in timbers and man-made boards. Use in conjunction with 104 deg (14 deg) dovetail cutter ref. L120 which cuts dovetail pocket. Use in a router table. Cut material in two passes to create a butterfly shape, width of butterfly spline is determined by dovetail cutter used. SpecificationsMetric & imperial conversion D 28.0 mm C 46 mm A 104 degrees (14 degrees) Shank Diameter 1/2 inch
