11 Amp 1-9/16 in. SDS Max-Type Pro Variable Speed Rotary HammerWith the most powerful motor in its class, this SDS Max Type rotary hammer powers through almost any material. Bauer anti vibration technology delivers power to the bit and less vibration to the handle for fast, precise drilling with less user fatigue. A built in safety clutch protects you in case the bit binds with drilling in concrete or masonry. The quick change SDS Max type bit system on this rotary hammer holds chisel bits securely. Hard hitting