Features: Upgrades worn pipes thread effortlessly with this heavy duty carbon steel Internal & External pipes Threading Tool, produced for 1/2" (DN15) and 3/4" (DN20) pipes with enhancing wear resistance. accuracy engineered alloy steel construction ensures accurate thread restoration and includes integrated sealing tape for leakproof connection in plumbing or electrical projects. Ideal for professional plumbers, HVAC technicians, and DIY enthusiasts requiring reliable pipes thread maintenance in workshops or job sites. Tackle rusted water pipes, gas lines, or industrial conduits efficiently using the clockwise cutting mechanism suitable for standard electric drill. Its convenient double size design (91mm×20mm for 1/2", 91mm×25mm for 3/4") simplifies toolkit while delivering industrial grades durability for repetitive threading tasks. Specifications: Materials:Alloy Steel DN15 Size: Approx.91×20mm/3.59x0.78inches DN20 Size: Approx.91×25mm/3.59x0.98inches Package Includes: 1Pc Inner And Outer Wire Opener (DN15) 1Pc Inner And Outer Wire Opener (DN20) 1Pc Materials Belt note: Please allow 1-3cm error due to manual measurement. please make sures you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color the item.