The Ridgid 41697 is a 3/4" x 100' C-100 drain cable. This cable is best used for drain lines from 3" to 6" in floor drains, vents and laterals. The inner cord provides good flexibility and more cleaning power to the cable end. Why do so many professionals choose RIDGID tools? The answer is simple, trust. Millions of RIDGID tools go to work every day in plants, on construction sites and in countless other harsh environments. One of the design parameters for developing RIDGID tools is efficient operation. We engineer ease-of-use into every product. And, we include innovative features to ensure that our tools and machines get jobs done as quickly as possible without compromising quality.