Make accurate, square cuts at floor level or in other blind locations. Cutters are easily preset for depth of cut and make their cuts in seconds. Recommended user supplied power source: 1/2in. capacity, 350-450 RPM drill, rated at 4.6 to 6 amps. For PVC and ABS plastic pipe. For individual pipe sizes from 1 1/2in. to 6in. Diameter.