The Snap-On Tools 6pc Pipe Tap Set TDP6 is a high-quality set of hand tools specifically designed for creating NPT threads in pipes ranging from 1/4”-18 to 1”-11-1/2. Manufactured in the United States, this set includes 5 pieces that are sure to meet the needs of any automotive professional or DIY enthusiast. With the trusted Snap-On brand name, you can be confident in the durability and precision of these threading tools. Ideal for applications involving pipe work, this set is a must-have for anyone looking to achieve precise and efficient results. Missing 1 Tap.