Used no box PRODUCT OVERVIEW With 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.