Amana Tool 45750 Carbide Tipped V Groove 90 Deg x 1/2 D x 1/2 CH x 1/4 Inch SHK w/ Upper Ball Bearing Router Bit

Designed for fluting and V-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 the bottom of the workpiece.