Power: 650W Available disc size: 100 mm and 115mm Grinding performance comparable as G720 Compact size & light weight Housing diameter: 190mm Black+Decker grinding discs use with the angle grinders for general metal grinding applications on ferrous and non-ferrous metals, including weld and surface preparation. Professional grade aluminium oxide. Reinforced fibre glass. Premium resin bond Brand : Black & Decker Power Source : Corded Electric Type : Angle Grinders Model Number : G650MEA1-B5 Are batteries needed to power the product or is this product a battery : No Is this a Dangerous Good or a Hazardous Material, Substance or Waste that is regulated for transportation, storage, and/or disposal? : No