The Diamond Products Weka DK13 Hand Held Drill Motor is a 14 Amp 110 V 580/1400/ 2900 RPM 3-speed (Slip clutch) hand held drill motor with thermal overload protective switch. This hand held drill motor allows you to drill up to 3 inches hand held and up to 6 inches when mounted on the core rig. Thermal overload protection switch with side handle for stability and dust port and water connection for wet or dry coring. Three speed for bits up to 3 inches hand held or 6 inches mounted. Includes carrying case and wrench two leveling bubbles for accurate coring.