This lot of 7 Parker Prestolok fittings is ideal for connecting female-to-male tubes with a diameter of 1/4 inch. Made of high-quality brass material, these fittings ensure a strong and secure connection without the need for additional tools. The straight design of the fittings and push-to-connect-to-NPT feature make installation easy and hassle-free. These fittings are perfect for a variety of applications in the hydraulics, pneumatics, pumps, and plumbing industry. They are manufactured in the United States and are of excellent quality. Get these fittings from eBay today and experience top-notch performance.