Improves heat management: promotes nozzle heat dissipation and insulation to reduce heat creep and temperature drift for more stable prints Reduces nozzle clog risk: stable temperatures help prevent material degradation and jams during long runs All in one hot end kit: 0.4 mm brass nozzle, heating block, cartridge heater, and thermistor kit rated at 24V 40W for reliable heating Clear compatibility: designed as spare parts for standard hot end assemblies and compatible with printers using a 0.4 mm brass nozzle configuration Material and size focused: brass 0.4 mm nozzle with robust components for durable, consistent performance Performance you can trust: faster heat up, steady temperature control, precise extrusion, and longer uptime between maintenance Use scenarios Upgrading a compatible printer hot end to improve heat management for PLA, PETG, or ABS Replacing worn components after clogging or temperature drift to restore print quality Building or upgrading a DIY hot end setup with integrated heater and thermistor for reliable operation