Groove edges for T-moldings, splines or biscuits, and other purposes. Rout tongue-and-groove joinery. Slotting cutters are available with either 2-wing or 3-wing cutters. Each assembly includes a cutter, bearing for a 1/2" deep cut, and either a 1/4"-, 3/8"-, or 1/2"-shank arbor. Use in a handheld or table-mounted router. All assemblies include cutter, arbor and ball bearing, #53409-1, Diameter (D): 1-7/8, Cutting Height (B): 7/32, Shank (d): 1/2, Overall Length (L): 2-3/8, C: 1/2, Wings: 3, 53409-1 Slotting Cutter Assembly 3 Wing x 1-7/8 Dia x 7/32 x 1/2 Inch Shank