1、3 Thread Size Dies: This PVC thread maker features 3 thread size dies, with 1/2 inch, 3/4 inch, and 1 inch, thread standard is NPT, which can meet your multiple needs in your work, very practical. 2、Sturdy And Robust: This thread maker tool is made of excellent alloy steel and ABS material, which is quenched and hardened, high hardness, abrasion resistant, and has a long service life. 3、Good Performance: This pipe round die set has excellent performance with clear, no burr threads, and has multiple rows of chipping holes, a fast chip evacuation, and a solid locking. 4、T Shape Handle Design: This PVC pipe threader plumbing tool set features a T shape handle design, which is made of ABS material, comfortable to hold, easy to use and more labor saving. 5、Wide Application: This pipe threader kit has a wide range of applications and is perfect for PVC plastic pipes, which can be used for plumbing installation, greenhouse construction, greenhouse construction, air conditioning, ventilation system installation and so on.