The Wm Harvey 017117B is an excellent choice for a variety of projects. While the 017117B Teflon thread is typically used for faucet seals, it will provide a strong tight seal for any threaded joint. With durable Teflon thread seal tape it will stop leaks on metal and plastic pipes, and make leak free joints on pipes for oils, stem, acid, alkalis, and solvents. The 017117B comes as a 1/2" x 520" easy to handle plastic dispenser roll.