$64.99 LOT OF 4 - BOSCH BLUE GRANITE TURBO 1/2 CONCRETE DRILL BIT 12 LONG | eBay
Bosch 1/2 in. Multi-Purpose Tungsten Carbide Drill Bit for Drilling Tile, Masonry, Wood, Metal 
Stone Concrete Drilling 10mm Tip Masonry Drill Bit Tool - Walmart.com - Walmart.com
