Woodruff Key Seat Cutter, type: Staggered Teeth, Nominal Diameter: 1-1/4", Width of Face: 3/16", O.A.L.: 2-3/16", Shank Diameter: 1/2", American Standard #610. For cutting Standard and woodruff keyways in steel and other ferrous materials.
*Photos are for general reference of product. The photos are not specific to each size