Bosch Bulldog Xtreme 1/4 in. X 6-1/2 in. L Carbide Tipped SDS-plus Rotary Hammer Bit SDS-Plus Shank

4x life in rebar and 40 percent more life in concrete than competitive full head carbide bits. Optimized for heavy duty rotary hammers. Less carbide wear than two cutter means end user is more productive with each bit. No jamming when hitting rebar.