This kind of mould(socket) applys in plastic pipe welding mac hines, which is made of Aluminium alloy, and covered with American famous coatings Teflon, to protect the plastic pipes from adhering when welding the pipes,Foot: A special foot with clamp that enables working at any location. temperature rang:0-300degreevoltage rang:220±25vpower:1500w 50HZspecification:20mm 25mm 32mmwelding materail:ppr pe pp-cOD (mm)Heating Time (s)Depth (mm)Cooling time(min)2051432571633282044012214501822.556324246Set Include: Welding machine. Clamp Foot, Cutter, Allen Key, Ruler, Spirit Level, scewdriver, Spirit Level