The Performance Tool W54241 pack of 10 1/8" NPT grease fittings is a cost-effective and essential item for any garage or workshop. With a universal fit, these fittings can be used with a wide range of equipment and machinery, making them a versatile tool for maintenance tasks. Made of high-quality materials, they are built to last and provide reliable grease application. These fittings are easy to install and offer a secure and leak-proof connection between your equipment and grease gun. Save money and ensure long-term performance with this pack of 10 grease fittings.