Voltage : 18 Battery Type : Lithium-Ion Motor Type : Brushed Battery Platform : Milwaukee M18 Strokes Per Minute : 3000 Length (In.) : 18 Weight (Lb.) : 7.4 Batteries Included : No Charger Included : No Case Included : No Warranty : 5 Year Corded/Cordless : Cordless Stroke Length : 1-1/8