Deluxe 5pc Diamond Bead Reamer Set. This deluxe wood handle accepts the interchangeable bead reamers. A set we measured included: a 1/8 inch to point Taper; 1/16 inch to point Taper; 1/4 x 1/2 inch cone; and a 3/16 x 3/8 inch pointed end cylinder. Actual bits may vary. The Reamers have an 1/8 inch shank to allow you to use Dremel bits as well.