The HTC 420 is not only suitable for maintenance and floor care but means a total concept for the floor entrepreneur. HTC 420 is the machine you use for everything from rough grinding to finest polishing. The machine weighs 176 lbs. and can be split into two units in one operation which makes it very easy to hanlde. The HTC 420 can be equipped with all HTC original diamond tools. It efficiently removes coverings such as glue, screed, paint and epoxy. It grinds and polishes marble, limestone, terrazzo and concrete.