DEADMAN SWITCH; SAFETY CLUTCH.USER BENEFITS:Low fatigue as never before: compact angle grinder with smallest handle circumference in its class for perfect ergonomicsLonger service life, more power: the Metabo Marathon-motor with patented dust protection, up to 20% more overload capacity and 50% more torqueTool free, fast disc change at the touch of a button with the Metabo M-Quick-SystemTool-free adjustable guard; twist-proofPaddle switch with dead man function: safe to operate due to an ergonomically integrated non-slip switchMetabo S-automatic mechanical safety clutch: minimises kick-back to the lowest level when the disc jams unexpectedly ? for maximum user safety and swift progressGear housing can be unscrewed, rotated in 90? steps and remounted for left-handed operation or cuttingAuto-stop carbon brushes to protect the motor