Spring design, bendable. It can easily pass the curved pipe, quickly dredge the dead corner of the pipe, and take out the hidden garbage. Universal drill interface, suitable for ordinary electric drilling machines. Use high-quality Manganese steel material, spring steel wire, good deformability, not easy to break,not easy to rust after treatment. Professional use for various drains such as kitchen and bathroom sink, bathtubs and shower drains, sewer and floor drains., Manufacturer: Littimoon