1/2" dimensions: Outer opening wire diameter 31.5mm, inner opening wire diameter 20mm, total length 61.5mm, handle distance/interface 6.35mm 3/4" dimensions: External opening wire diameter 34mm, internal opening wire diameter 25mm, total length 61.5mm, handle distance/interface 6.35mm Hexagonal handle joint bar dimensions: Total length 74mm, handle distance/interface 6.35mm A 4-inch pipe is 1/2" (nominal diameter DN15). A 6-inch pipe is 3/4" (nominal diameter DN20). Integrated internal and external pipe thread cutting tool: This pipe thread cutting tool is designed to handle various pipe tasks. Whether you are a professional plumber or a DIY enthusiast, it can ensure cleanliness on pipes of all sizes, precise threads, and simplify the installation of fittings. Selected material: Made of steel, this threaded kit has a long service life. The combination of top-quality steel ensures long-lasting performance, making this tool a reliable choice for both professional and home projects. Dual-function threading comprehensive kit: The pipe threading pipe kit includes a reusable plastic pipe circular mold, available in two universal sizes, and seamlessly connects with PPR, plastic and MPP pipes - ideal for pipe repair, DIY upgrades and electrical pipe installation. Precise design: Each component of the threading kit is meticulously crafted with meticulous details and outstanding engineering, ensuring smooth and accurate thread formation at all times. The precise design ensures a safe and leak-free connection, effectively preventing costly errors and simultaneously enhancing installation efficiency. Wide application: Whether you are a DIY enthusiast or a professional plumber, the rear-making tools included in this pipe threading pipe kit are an indispensable addition to your toolkit, simplifying the process of threading pipes and improving your work efficiency." 【Eco-Friendly and Sustainable】Made with environmentally conscious practices, this product is eco-friendly and contributes to sustainability efforts. It is designed to minimize waste and reduce environmental impact. 【Exceptional Performance】Engineered for high efficiency and effectiveness, this product delivers outstanding results every time. Its advanced features ensure consistent performance, making it a reliable choice for your needs 【User-Friendly Design】Ergonomically designed for ease of use, this product offers intuitive controls and a comfortable grip, making it perfect for both beginners and experienced users. 【High-Quality Materials】Crafted from premium, materials to ensure longevity and superior performance. Each product is meticulously tested to meet high standards of quality and safety. 【Versatile Functionality】This product is multifunctional and can be used for a variety of tasks, providing you with the flexibility and convenience needed to handle multiple uses with a single tool.