Voltage : 18 Battery Type : Lithium-Ion Arbor Size : 5/8 In. Motor Type : Brushless Battery Platform : Milwaukee M18 Weight : 4.4 Lb. Dimensions : 12 In. L Batteries Included : No Charger Included : No Case Included : No Warranty : 5 Year Corded/Cordless : Cordless Blade Diameter : 4-1/2 In. to 5 In. Maximum Speed : 9000 rpm