... molds from size 16mm to 160mm covers Coupler, Elbow, Tee, Valve and metal insert parts. General Design1 ... Upper and Lower) there should be four holes with threads with the same dimensions as the eyebolt.1.6 ... PPR pipe fittingDescription of goods (mold name)Coupler, Elbow, Tee, Reducer....No.of cavitiesMulti- cavitiesSteel for Mold ... during ejection PPR fitting mould (female threaded elbow with wall plate)