【Dual Size Threading】This pipe tap set includes 1 2 inch 20mm and 3 4 inch 26.5mm standard thread sizes, helping handle common pipe inner hole threading tasks in plumbing repair and maintenance. 【Hex Shank Connection】Designed with a 1 4 inch 6.35mm hex shank, the plumbing tap connects to compatible electric drills for convenient pipe threading, reducing manual effort during repair work. 【Alloy Steel Build】Made of alloy steel, this pipe threading tap supports repeated use in routine plumbing tasks. The solid structure helps maintain stable performance when opening or repairing pipes. 【Practical Plumbing Tool】Useful for dealing with leaking faucet related pipe work or general pipeline maintenance, this pipe inner hole tap helps simplify opening and restoring damaged water pipe threads. 【Simple 2 Piece Set】Includes 2PCS double head pipe taps with straightforward operation. Suitable for plumbers, repair workers, and household users handling pipe maintenance with common drill setups., Manufacturer: Pissente