Milwaukee High Pressure Grease Couplers, 2-Pack are designed to deliver reliable performance and compatibility with the M18™ Cordless 2-Speed Grease Gun and M12™ Cordless Grease Gun. These high-pressure couplers ensure efficient grease flow and secure attachment, making maintenance tasks easier and more effective. I for professionals who demand durability and precision in their grease application tools, this 2-pack provides excellent value and convenience. Model Number: 49-16-2649