The Bosch HCBG03 3/16-inch x 3-inch Blue Granite Carbide Hammer Drill Bit will deliver fast impact drilling in concrete, stone and masonry. The Bosch HCBG03 uses low voltage, high temperature brazing to prevent the carbide cutting edge from breaking out even when heat builds up during deep drilling. Features: * Drill in masonry faster than ever * Fast and efficient dust removal What"s In The Box: * Bosch HCBG03 3/16-inch x 3-inch Blue Granite Carbide Hammer Drill Bit