Features: The double function pipes threaders efficiently creates both internal and external thread for 1/2" and 3/4" pipes with its integrated design. Crafted from premium carbon steel, this sturdy tool features a universal hex shank for unseamed compatibility with power drills. Ideal for professional plumbers and DIY enthusiasts seek reliable performances in residential and commercial plumbing projects. Perfect for on site installations and repairs in homes, offices, or construction sites due to its lightweight (170g) and portable construction. Simplifying complex threading tasks with this multifunctional tap and die set that combines accuracy engineering with corrosion resistant durability. Specifications: Material: Metal 15DN Model (1/2") Size: Inner Wire 2.15cm/0.85in, Outer Wire 2.90cm/1.14in 20DN Model (3/4")Size: Inner Wire 3.10cm/1.22in, Outer Wire 3.20cm/1.26in Suitable For: Electric Drill Package Includes: 1Pc Integrated Wire Opener in the Inner and Outer Wire note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thanks!