Complete Set: Our cutter dredging set include 8 different cutter heads, which meets your different needs. After replacing the sewer cleaner, it is easy to flush the toilet or pipe plug and quickly open the hair, or vegetables caused by the blockage. Applicable Models: Suitable for various brands of pipe dredging machines and special drilling tools cleaning machines.(For details, please contact customer service) Easy To Install: It is easy to be installed on the dredging machine and the can be easily removed by a key insert the small hole. Made of manganese steel material, the drain cleaner combination is sturdy and durable and easy to operate. Fit The Spring: There are two small holes head of the , which can be fit directly with the spring. Pipe Dredge Cutter Heads: Pipe dredging machine, the cutter head of pipeline cleaning machine, perfect design and powerful use function, play an important role in various complicated pipeline dredging, and it has become have special purpose for indoor and outdoor pipeline dredging machines Accessories. Specification: Color: As shown Material: Steel Size: As described Diameter: 16mm Type: Dredge Spring Electric Drill Connectors Features: Multipurpose Applications: Fit for connection of electric drill pipe dredge Size Chart: Diameter: 16mm/0.63inch Package Includes: 1*Drain Cutter Set(8*Cutter Heads + 1*Screwdriver) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful line shopping!