3D Printer J Head Hot End Kit for 3.0 mm Filament - 0.35 mm, Resistor, Thermistor, Teflon Tubing -for 3D Printer
The Jhead hotends are the original, made in USA by the inventor. This kit contains (1) Hot end with a 0.35 mm nozzle to use with 3.0 filament (PLA or ABS)  (2) Resistor (3) Thermistor (4) PTFE Teflon Tubing for the resistor and thermistor.