The DM80 is an extremely versatile and useful hand-held diamond core drill. It is very easy to handle since it weighs only 3.8kg. Whether one needs to wet drill hard concrete or dry drill brick, the same machine can be quickly and easily converted to do the job. Drilling is made easier with the soft impact function. The 2 speed gearbox plus the speed control thumb wheel allows a varietly of bit sizes and materials to be drilled. The feedback electronic speed stabilization allows the speed to remain the same, regardless of load. For protection, there is a mechanical safety clutch. The motor has soft start and overload protection.