HFS(R) 5PCS NPT Pipe Tap Set ，1/8″, 1/4″, 3/8″, 1/2″ and 3/4″ Accurate Threads
5PCS NPT Pipe Tap Set ，1/8″, 1/4″, 3/8″, 1/2″ and 3/4″ Accurate Threads. [Size]: This NPT Pipe Tap Set includes a variety of sizes, specifically: 1/8″, 1/4″, 3/8″, 1/2″ and 3/4″. These sizes are perfect for handling different threading needs.