The Milwaukee 3/4 inch Drill - ruggedly built with reserve power for toughest drilling jobs. Heat treated gears are helical-cut for quiet performance. Chrome moly alloy steel for high torque transmission with minimum wear. Drive shafts run smoothly on pre-lubricated ball bearings. Extra long switch handle and pipe handle afford maximum leverage for drilling or reaming large holes. Pipe handle for added control. Glass filled nylon spade and switch handles. Heavy-duty aluminum alloy housing. Volts - 120 ac/dc, no load rpm 350, gear train - triple, spindle diameter and thread - #3 jacobs taper spindle.