Alemite B52750 Grease Pump Swivel， Straight Type， 10，000 psi， For Handling Grease Control Valves， Prevents Damage to Hose From Twisting， Steel Construction with Ball Bearings， 1/2" UNS x 1/4" NPTF</br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41TNY1yIpLL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31V730ZMt4L.jpg' noproxy></br>