Bosch 11241EVS Factory-Reconditioned 1-9/16" SDS-max Variable Speed Combination Hammer. Features 11 Amps 170-340 RPM 1700-3300 BPM 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 mode Auto-Max dial Variable speed dial designed to automatically insure the maximum speed and power every time the tool is plugged in Constant Response circuitry Provides soft-start maintains constant speed under load provides overload protection Turbo power Delivers 20% more power in hammer only mode Service Minder light Indicates when preventative maintenance is required Power light Ensures operator that power feed is live Innovative service modules Designed so a qualified service technician can quickly replace the brushes and cord Vario-Lock positioning Service modules for brushes and cord Patented cord turret Provides added flexibility and reduces c