Bosch 11316EVS SDS-Max Demolition Hammer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>SDS-max bit system - tool-free bit changes with automatic bit locking， dust protection and maximum impact energy transfer rate</li><li>Variable-speed dial - for controlled chipping applications</li><li>Constant Response Circuitry - - Provides soft-start - Maintains constant speed under load - Provides overload protection</li><li>Service Minder light - indicates when preventative maintenance is required</li><li>Vario-Lock positioning - rotates and locks chisel into 12 different positions to optimize working angle</li></ul></div><img src="http://ecx.images-amazon.com/images/I/411J5B4D41L.jpg" noproxy>