The Dewalt DCG405 Brushless Angle Grinder has a no load speed of 9000rpm and a 125mm disc diameter.18V Brushless motor for efficiency, improved application performance and powerCapable of x69 cuts in 1/2" steel rebar when used with 5.0Ah battery (sold separately)Compact gear case for increased access to tight spaces and gives excellent cutting depthSlide switch provides less user fatigue. Built in no-volt release gives protection against accidental start ups when new battery is installedElectronic brake has braking time of < 2 seconds when the trigger is released to help reduce accidental contact and injuryConstant Clutch and E-Clutch protects from kickbacks, cuts and wheel burstsMesh Covers restricts dust being sucked through the motorErgonomic slim body with rubber over-mould for improved comfort and controlTwo Position Side Handle offers greater comfort and control1 or 2 touch guard for quick and easy keyless adjustmentIncludesDCB184 5.0ah XR Battery2 position side handleKeyless protective guardBlade wrenchNo Charger Included.