Features: Features combined internal/external threading for complete pipe tapping without changing accessories, significantly improving plumbing efficiency with simplified operations. Comes with 4 inch, 6 inch, and 1 inch sizes to cover common pipe diameters for home plumbing, repairs, and faucet installations. Works directly with power drills for fast rotation threading, replacing manual labor and enabling efficient continuous operations. Make of high hardness carbon steel for sharply cutting edges that resist chipping and last longer on various pipe materials. Suitable for plastic hoses, carbon steel pipes, galvanized pipes, ideal for home repairs, and professional installations. Specifications: Component: Carbon Steel Size:As Shown Color:Silver/Black Package Includes: 1Set Pipe Threading Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.