Professional Drain Cleaning Cable: sectional drain cleaning cable, measuring 66ft in total length with a steel wire diameter of 5/8in and a spring diameter of 3.5mm, offers unmatched assistance for unclogging pipes ranging from 0.8 to 3.9 inches in diameter. Durable Spring Steel Material: Crafted from high-quality spring steel, this hollow core drain cable provides exceptional flexibility and high tensile strength. Resistant to tangling and breakage, it effortlessly navigates through multiple 90° bends, effectively tackling pipe obstructions. Easy Installation: Featuring a female slotted end, the sink drain snake cable effortlessly accommodates blade holders, allowing you to seamlessly replace cables in your drain machine. Plus, the safety lock ensures blades stay securely in place during operation. Versatile Applications: With 7 different cutters included, this sink sectional cable excels in clearing various blockages, making it ideal for professional drain cleaning tasks