Irwin 5 Pce Assorted Drill Bit Set 4/5/6/8/10mm Granite Concrete Stone 10501917

- Designed for impact/hammer drilling in very hard materials such as granite, concrete and natural stone. - 40% more durable than conventional masonry drill bits thanks to their extra hard, thicker and more robust carbide tip. - The rounded cutting edges also improve durability, resulting in up to 50% more accuracy when it comes to the size of the holes. Contains 5 pieces in the following sizes: - 4 mm - 5 mm - 6 mm - 8 mm - 10 mm.

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