The Performance Tool W54226 360 Degree Swivel Coupler is the perfect tool for hard-to-reach grease fittings, making lubrication easier in tight spaces. This coupler is designed to fit most hand-operated grease guns, ensuring that it is a versatile and useful accessory for any mechanic or DIY enthusiast. With an impressive maximum working pressure of 4,500 PSI, this coupler can handle even the most demanding grease application tasks with ease. Its swivel design allows for flexible and easy access to grease fittings at any angle, making lubrication a breeze. By using this coupler with your grease gun, you can improve the accuracy and efficiency of your grease application, resulting in better performance and longer-lasting machinery. Don't struggle with hard-to-reach fittings – upgrade your lubrication equipment with the Performance Tool W54226 360 Degree Swivel Coupler.