SpecificationSwivels in a full 360° circle and locks in place. 45° angle gives easy access to most grease fittings. Comes with 05-028 standard grease coupler and 1/8” female inlet for extension pipe. For hand operated grease guns only. Recommended working pressure is 4,500 PSI.Carded. 5 per master.Plews/LubriMatic grease fittings are precision engineered to withstand the rugged use of most automotive, farm and industrial applications.