Brushless motor - efficiency, power and improved application performance Flat head - Access to acute angles, excellent cutting depth Constant clutch & E-clutch. brake - protects user from kickbacks, cuts and wheel bursts Dewalt 18V XR brushless 125MM flathead cordless grinder. Features and Benefits: Brushless motor - efficiency, power and improved application performance Rubber over-mould - improved grip and comfort Ergonomic slim body - improved comfort and control Slide switch with no-volt release - less user fatigue and protection against accidental start ups Constant clutch & E-clutch. brake - protects user from kickbacks, cuts and wheel bursts 1 or 2 tough guard - quick and easy keyless adjustment Flat head - Access to acute angles, excellent cutting depth Technical Specification DCG405FN: No Load Speed: 9000 rpm Max. Disc Diameter: 125 mm Spindle Thread: M14 Weight: 1.8 kg Length: 310 mm Hand/Arm Vibration - Grinding: 4.1 m/s² Uncertainty K 1 (Vibration): 1.5 m/s² Hand/Arm