Constant Clutch and E-Clutch protects from kickbacks, cuts and wheel bursts. Tool only (battery and charger not included). Ergonomic slim body with rubber over-mould for improved comfort and control. Compact gear case for increased access to tight spaces and excellent cutting depth. The slide switch helps reduce user fatigue during operation. Built in no-volt release gives protection against accidental start ups when new battery is installed. Braking time of < 2 seconds when the trigger is released to help reduce accidental contact and injury.