Whiteside Router Bits (1 piece) .090 KERF, 3 wing x 5/16 Bore, 1-7/8 Cutting Diameter, Slotting Cutter (6702A). TOOL SPECS: Carbide-tipped slotting cutter with 1-7/8" cutting diameter, 5/16" bore, 4 wings, and 1/16" kerf. SLOT CUTTING: Ideal for creating precise slots and grooves in wood and composite materials, for adding functionality and detail. JOINTS/SPLINES: For making biscuit joints, tongue and groove joints, and splines, ensuring strong and precise connections. FOUR WING: Designed with 4 cutting edges for rapid material removal and a fine finish. ASSEMBLY: Mount on an 5/16" arbor for use. The bearing diameter placed on the arbor will provide varying depths of cut. (6702A)