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 modeAuto-Max dial variable speed dial designed to automatically insure the maximum speed and power every time the tool is plugged in. Constant ResponseTMCircuitry Provides soft-start, maintains constant speed under load, provides overload protectionTurboTM Power delivers 20% more power in hammer only modeService MinderTM light indicates when preventative maintenance is required Power light - ensures operator that power feed is liveInnovative service modules designed so a qualified service technician can quickly replace the brushes.
