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1.75mm Long/Short Distance Stainless M4 B3 Heating Extruder Nozzle Head For 3D Printer
Features: -Made of Metallic Stainless Steel, not easy to rust -Withstand 300 or more higher temperature. -Can print most kind of filament -The temperature sensor of B3 extrusion head is fitted with the screw head of M4. Package Included: 1 x 3D Printer Extrusion Head