Sliding Rail,the bar hose is brass/Stainless Steel and the connector is ABS chrome. ABS plastic, chrome plated on its surface. multifunctionMulti-functions.spray, bubbling, massage, spray&massage, and spray& bubblingEach product under the rigorous test process of passing water factoryFinish: Chrome Plated, etcapply: garden, bathroom, kitchen3 or 5 funcetion:spray,bubble,massage,spray&massage,spray&bubblewe mainly produce hose: stainless steel hose, PVC hose,knitted hose.