14 Pcs M6 3D Printer Nozzle 0.4mm Extruder Brass Nozzle Print Head for 1.75mm Filament E3D V5 V6 Makerbot bee Double-wall insulation to keep hot

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14 Pcs M6 3D Printer Nozzle 0.4mm Extruder Brass Nozzle Print Head for 1.75mm Filament E3D V5 V6 Makerbot bee Double-wall insulation to keep hot14 Pcs M6 3D Printer Nozzle 0. 4mm Extruder Brass Nozzle Print Head for 1. 75mm Filament E3D V5 V6 Makerbot Description: How to replace nozzles ? Step 1: Turn on 3D printer, heat the nozzle and heat block to the target temperature (PLA: 180 220, ABS: 240 280). Step 2: After heat finishing, close printer, take spanner to hold the heat block. Then use socket screwdriver to screw old nozzle extruder out. Notice: Please dont touch the old nozzle and heat