DEWALT BLACKGOLD HSS Drill Bits have a speed tip and a tough core for increased durability. The bits also incorporate a no-spin shank that eliminates the frustration of the bit spinning in the chuck. Supplied in a TOUGH CASE, this is part of a connectable case system that is TSTAK(tm) compatible. Individual TOUGH CASES can be clipped together for easy transportation. This 7 Piece Set contains the following sizes: 3, 4, 5, 6, 8, 10 and 12mm.
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