160-70 Carbide Tipped Core Box 1/4 Radius x 1/2 Dia x 3/8 x 1/4 Inch Shank with Ball Bearing
2 Flute with Upper Ball Bearing Guide®
Designed for cuts guided by a template or pattern. The shank-mounted ball-bearing pilot rides along the template edge, and the cutter duplicates the template contour in the workpiece. With a handheld router, the template must be on top of the workpiece. With a table-mounted router, the template must be on bottom of the workpiece.