12pcs Grease Zerk Fittings, 1/4in-28 SAE Straight Thread Grease Nipples Zerk Tool with Wrench for Metric Automotive Machinery Gun and Industrial Equipment Extension 

["Package Includes: You’ll receive a sufficient number of quality grease fittings and wrenches-ideal for automotive repair, farm equipment, heavy machinery, and industrial maintenance applications.","Easy to Install: Thanks to thoughtful design, this set includes a compatible wrench - no need to search for extra tools. The straight-style fittings offer quick, hassle-free installation and consistent grease flow, making routine servicing fast and efficient.","Standard 1/4\"-28 SAE Thread: Designed for universal compatibility with most grease guns and lubrication ports, ensuring a secure and precise fit.","Durable Construction: Constructed from galvanized steel for outstanding durability and consistent performance in high-temperature or extreme operating environments.","Leak-Proof Tapered Threads: The tapered thread design provides a tight, secure seal to prevent grease leakage and ensure efficient lubrication with minimal maintenance interruptions."]