Heater Block V2

1x Aluminium Heater Block for Prometheus V2 [Note: These heater blocks are backward compatible with Prometheus V1.1] Design Features 6mm hole for a standard heater cartridge clamped by the heater block. Thermistor hole adjacent to M3 threaded hole which allows thermistors to be held in place with an M3 bolt and washer.  3mm through hole allows for the use of PT100 sensor cartridge. Additional aluminium hex nuts can be fastened to the heater block to customize the “melt-zone” length.