Voltage : 18 Battery Platform : Milwaukee M18 Maximum Speed : 31,000 rpm Weight (Lb.) : 2.95 Batteries Included : No Charger Included : No Case Included : No Corded/Cordless : Cordless Battery Type : Lithium-Ion Motor Type : Brushless Width (In.) : 3.23 Height (In.) : 6.86 Length (In.) : 4.79