Sizes include 1 3/8, 1 1/4, 1 1/8, one inch, 7/8, 13/16, 3/4, 5/8, 9/16, 1/2, 3/8, 1/4, and 3/16 inch. Mixed makers. These make nice, clean holes with perfect edges and flat bottoms. Easy to sharpen and easy to control.