Hammer your way easily through dense materials with the Bosch SDS-Plus(R) Bulldog(TM) Rotary Hammer Bit Set. These rotary hammer drill bits feature an SDS shank which allows for easy attachment to your hammer drill without the need for tightening. These drill bits feature carbide tips and optimized brazing and hardening to make them ultra-durable. The set includes seven bits that can handle a variety of job applications. The included Brute Tough(TM) case lets you protect and store your drill bits until you need them.