Whiteside 6625 Full Size Stile and Rail Groover is an extra groover designed specifically for use with Full Size Stile and Rail bits. This carbide-tipped groover features a 1-5/8" cutting diameter, a 1/4" kerf, a 5/16" bore, and 2 flutes, ensuring precise and efficient cutting. It can be assembled on an arbor or used as a cutter in some of Whiteside’s cabinet making sets, making it a versatile addition to your woodworking tools. Model Number: 6625