Cartridge Heater 3/8" Diameter, 3.2" Length, 220VAC, 300W 25A SSR-25 DA Solid State Relay Input: DC 3-32V Output: AC 24V-380V Arduino board Pro Mini atmega328 5V 16M, DC input: 5V up to 12V, Max 150mA output MAX6675 Module, Working voltage: DC5V, Operating Current: 50mA 100cm Length Wire Teflon line K-type Thermocouple Sensor Temperature Probe 60mm x 60mm x 15mm 3 Pin 12V Cooling Fan 12V Transistor (TIP120) TIP120 TO-220 Darlington Transistors 60V 5A NPN