SDS-max bit system tool-free bit changes with automatic bit locking, dust protection and maximum impact energy transfer rate"Combination" dual mode selector 2 modes of operation, rotary hammer and hammer only modeVariable-speed dial for accurate bit starting and controlled chipping applications Constant ResponseTM Circuitry Provides soft-start, maintains constant speed under load, provides overload protectionService MinderTM light indicates when preventative maintenance is requiredVario-Lock TM positioning rotates and locks chisel into 12 different positions to optimize working anglePadded rear handle absorbs shock for operator comfortIntegral clutch helps minimize torque reaction 360 Auxiliary handle
