Fractional Tap and Die Set (17-Piece) The DEWALT DW1451 17-piece Fractional Tap and Small Hexagon Die Set is a multi-purpose tap and die set. This set is ideal for repairing and creating a wide range of internal and external threads. Made from high carbon steel, the taps and dies are machined for precise threading, and the black oxide drill bits are designed for long life. Includes 1 of each of the following: 6-32 tap, 8-32 tap, 10-24 tap, 10-32 tap, 1/4 in.-20 tap, 6-32 die, 8-32 die, 10-24 die, 10-32 die, 1/4 in.-20 die,# 36 drill bit, #29 drill bit, #25 drill bit, #21 drill bit, #7 drill bit for, 1/4 in. tap handle, 5/8 Black oxide split point drill bits provide greater wear resistance High carbon steel hexagon dies are ideal for cutting external threads High carbon steel taps ideal for precise threads