Our Best 2.5" Dry Core Bit. Great for dry hole drilling appliactions into asphalt, green concrete, concrete, hard concrete, field stone, pavers, clay pavers and hard brickBZ-CBD25 2.5" Dry Core BitSKU: BZ-CBD25$151.95PriceQuantity*Out of StockNotify When AvailableSPECIFICATIONS2.5" X .140 X 5/8-11, 10" BARREL