1,Brass,chromeplated. 2,Ccompensable tap 3,screw thread is 5/8''G Name:Beer tap,beer dispenserType:Beer,Wine tapMaterial:BrassTrim:polished and chrome plated.Level thread:5/8''GCreamer action: pull forward to pour, push back to finish with a creamy head.Shank:100mm shankThe diameter of hose barb:8mm Chrome plated Beer Tap(Beer dispenser)