Voltage: 120V ACAmperage: 8.0AChuck Size: 1/2"No Load RPM: 0 - 850Check Design: KeylessPowerful Motor Delivers Up To 350RPM With Variable Speed Control And ReverseGrip-Lok Chuck Is An All Metal Single-Sleeve Keyless Chuck With Hardened Jaws For High Grip Strength And Reduced SlippageSide Handle Provides Maximum Maneuverability And Easier Control As Well As SafetyQuik-Lok Cord Provides Easy Storage And Quick Field Replacement