... °C high temperature quenching and nickel plating, etc. 2. The plastic shell is made from ABS by injection molding, appearance looks ... tidy.3.the accessory consists of liqiud crystal display,printed circuit board,stainless button,screw,resistor,battery and so on. 4. electrode ... carbon steel,CRV,Nickel-plated ect.5.The shell of plastic made of imported AS or ABS material.6.Widely used ...