1.Fine Engineering Design: The pipe reamer bit set includes three reamer bits with blade diameters ranging from 15 to 19 mm, 18 x 24 mm, and 24 to 31 mm. With all drill bit tips angled at 90 degrees, these bits enable precise and accurate alignment to ensure clean and exact surfaces for completing various tasks. 2. Construction: These pipe reamer plumbing tools, made from high carbon steel and coated with a Ti finish, provide a sturdy and robust structure that delivers lasting performance and reusability. The rugged design ensures reliability and efficiency in drilling applications. 3.Sharp Cutting Edge: The pipe reamer bits feature cutting edges that deliver high processing accuracy, resulting in clean and smooth drilled holes. This sharpness enhances drilling efficiency and precision, making them ideal for a range of drilling tasks in materials such as PPR plastic products. 4.Wide Application: Specifically designed for materials like PPR pipes, PVC pipes, plastic pipes, and MPP pipes, these pipe reamer tools are versatile tools suitable for hole opening and hole expansion. Their compatibility with various piping materials makes them a valuable asset for professionals in plumbing, construction, and related industries.