Amana Tool 45950 Core Box 1/2 Diameter With B.B Router Bit

Designed for fluting and grooving 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.