You are Buying a brand New And Factory Sealed DEWALT Metric Steel Tap and Die Set (17-Pieces)...DEWALT 17-piece Metric 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: 3 mm - 0.50 tap, 4 mm - 0.70 tap, 5 mm - 0.80 tap, 6 mm - 1.00 tap, 7 mm - 1.00 tap, 3 mm - 0.50 die, 4 mm - 0.70 die, 5 mm - 0.80 die, 6 mm - 1.00 die, 7 mm - 1.00 die, 2.5 mm drill bit, 3.3 mm drill bit, 4.2 mm drill bit, #9 drill bit, 15/64 in. drill bit Black oxide bits provide greater wear resistance.....