The Reed Tube Cutter features a durable feed screw design. The internal reamer is built inside the knob for convenience. The large grip knob allows for easy feed screw adjustment. The cutter includes an "O" cutter wheel for copper. To cut plastic pipe it is recommended to order cutter wheel OP2 or 1-2PVC which is sold separately. The cutter is approved for use at AWWA Tappling Contest.