Aluminium Hot End Heating Block MK8 For 3D Printers Wire Stripper the heat sink is frequently

the heat sink is frequently called a cold plate

It is used to power Raspberry Pi via an Ethernet cable

smooth frequency response

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Includes ON/OFF switch

Aluminium Hot End Heating Block MK8 For 3D Printers Wire Stripper the heat sink is frequentlyAluminium Hot End Heating Block MK8 For 3D Printers Heat block MK8 is a 3D printers is the part of the extruder so the nozzle meets the thermal barrier tube. Contained within the block is also the heater cartridge and thermocouple was typically made of aluminum in which the part functions literally melting the filament as it passes through the thermal tube to be extruded out of the nozzle. The mounting hole works perfect with nozzle & nozzle throat.