Manganese steel material: The cutting head of the pipe dredging machine is made of high-quality manganese steel, strong and durable, with anti-rust treatment for corrosion and wear resistance. Practicality: Cutting head set for drain cleaning. Replace your drain cleaner to easily flush toilets or pipes and quickly clear clogs caused by hair, grease, or debris. Powerful function: Suitable for springs with a diameter of 16 mm, effectively clearing hard obstructions and expanding to clean pipes. Easy installation: Two small holes under the cutter head allow direct attachment to the spring. The dredge head is easy to install and remove; simply insert into the drain without requiring extra time. This cutting head has a practical design suitable for use in homes, kitchens, bathrooms, living rooms, hotels, and other settings. Color: Silver Material: Manganese steel Package Contents: 1 set * drain cleaner Only the above package content; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement error allowed is +/- 1-3 cm.