Features: Double Function Design : This faucet tap die set features integrated internal and external threading tools, perfect for creating both inner and outer threads on pipes. Includes 1/2" and 3/4" sizes to accommodate different piping needs. Hexagonal Shank Compatibility : Designed with a universally hexagonal shank for seamless attachment to power drills, ensuring smooth threading operations and user friendly performances even for beginners. Premium Alloy Steel Construction : Crafted from high strength alloy steel for enhanced wear resistance and corrosions resistance, guaranteeing durability in demanding working conditions. Compact & Portable : Lightweight (92g for 1/2", 84g for 3/4") and compact for easy transport, making it ideal for both home use and professional job. Wide Application Scope : Suitable for pipe installation and repairs in residential and commercial settings, serving as an essential tool for plumbers and DIYer enthusiasts. Specifications: Component: Alloy Steel DN15 model (1/2"): 20mm opening, DN20 (3/4"): 26mm opening Package Includes: 2Pcs Thread Opener note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.