Characteristic: 1. 6 pieces in total: This NPT faucet set is available in a variety of sizes to meet different pipeline thread requirements. Includes 6 pipe sizes: 1 inch, 3/4 inch, 1/2 inch, 3/8 inch, 1/4 inch and 1/8 inch. The nominal faucet size is the size of the pipe fitting ma be screwed on. 2. Reliable operation: This durable pipe tap set is made of carbon steel and ma for cleaning and efficient cutting of female threads. It is an ideal choice do cleaning or re-threading blocked or damaged pipelines. 3. Accurate cutting: These NPT taps use precision-ground threads with right-handed cutting, a round shank with a square end, and 4 straight grooves. Together, these features ensure the accuracy and efficiency of pipeline threads. 4. Practical application: The NPT thread design of this pipeline tap set allows you to create a secure and leak-free connection between pipelines or fittings. This makes them reliable for pipeline, automotive, and construction applications. 5. With storage: For convenience, the 6-piece NPT faucet is carefully placed in a smooth plastic housing. This not only protects them from rust, but also makes them well organized and easily accessible when do threading tools are needed. Specification: Item Type: Pipe Faucet Material: stal carbon Specifications: 1 inch, 3/4 inch, 1/2 inch, 3/8 inch, 1/4 inch, 1/8 inch. List of packages: 6 x Pipe Faucet 1 x do storage box