... aluminum ,four stage, with K type thermoelectric pair to measure temperature ,the out cover of barrel adopt the stainless steel;1 ... the both side haul-off unit and winder unit, the temperature controller adopt Fuji brand, the shift knob and inverter equipped Schneider ... is different)9.2 The number display tem. Controller 1 piece9.3 K Model Thermocouple:1 piece9.4 Regulation resistance :1 piece9 ...