FEATURES: With this electric drill driven drain snake, you do not have to spend hundreds of dollars to hire a tradie. Now you can do it yourself. No special technique required. No training needed, no license needed. This product comes with only one type of snake springs. The first one is designed for storm water and longer distance cleaning, which has 3 meter long in each section. (3m x 4 sections) This product comes with changeable drill bits (only for the black spring), which has 6 different types with different functions. MORE DETAILS: Due to adverse application environment, it is highly suggested to clean the product thoroughly after each use, and apply anti-rust sprays to extend its product life. If operated by only one person, highly suggest to use a hard PVC pipe to hold the part of sping from the entrance of the pipe line to the drill, so that the spinning spring constrained to reduce potential hazzards. SPECIFICATION: Material: 65 Manganese steel Weight: 5kg Drain snake length: 12meters (3m x 4 sections) Drain snake: 16mm Diameter Straight spiral drill: 16mm Diameter Olive spiral drill: 24mm Diameter Round serrated cutter: 32mm Diameter 4-Blades serrated cutter: 32mm Diameter 2-Blades serrated cutter: 32mm Diameter U-type cutter: 29mm Diameter Colour: Black