Features: This double function internal/external thread cutter set efficiently handles both 1/2" and 3/4" pipes, offering multifunctional plumbing solution in one compact toolkit. Crafted from premium carbon steel with universal hex shanks compatibility, the tool ensures durability and unseamed integration with power drill for precise threading operations. Ideal for professional plumbers and DIY enthusiasts seek reliable pipes preparation tool for residential or commercial plumbing projects. Perfect for installing water supply lines in kitchens, bathrooms, or construction sites requiring pipes threading and maintenance. Its lightweight yet solid construction making this threading tool set essential for mobile repair set and workshop toolboxes alike. Specifications: Materials: Metal 4point model (1/2"): inner thread 20mm/0.78inches, outer thread 20mm/0.78inches 6point model (3/4"): inner thread 26mm/1.02inches, outer thread 26mm/1.02inches Package Includes: 1Set Integrated Internal And External pipes Threading Tool note: Please allow 1-3cm 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 the item.