... diameter:80mmthree speedWith CE and GSsmall,light,and easy control professional drilling big hole Model:06-80Drill Capacity:15-80mm in ... concrete,15-200mm in brickNo load speed:950/1800/3450r/minRated Input Power:1500WRated Vlotage:110V/220V ... /240VRated Frequency:50-60HZThree-gear rotary speed is designed, and user can adjust the speed of gears through the knob. It ...