Key Features & Design3 Operation Modes: Includes standard drilling (wood/metal), hammer drilling (concrete/brick), and rotation-stop chiseling for demolition tasks. SDS-Plus Quick System: Allows keyless bit changes with automatic bit locking for seamless transitions between masonry drill bits and chisels.Safety Mechanical Clutch: Automatically disengages the drive gears if the bit jams in reinforced rebar, preventing sudden wrist kickback.Variable Speed & Reversing: Trigger pressure regulates RPM for accurate hole starts, while forward/reverse functionality simplifies backing stuck bits out.360° Auxiliary Handle: Adjustable side handle with an included metal depth gauge rod for consistent blind-hole drilling