2pcs Aluminum Block Hotend Heaterblock for Prusa i3 MK4 Nextruder Heaterblock High Temperature Heating Block for MK4 MK3.9 XL Replacement 3D Printer Accessories Extruder Part
Compatible with Prusa I3 MK4 MK3.9 3D Printers and other printers with Using Nextruder
High temperature resistant heater blocks are made of a special copper. This alloy has a high softening point, well above 500°C, making it ideal for high-temperature 3D printing that other heaters cannot withstand.
Precision Manufacturing:The heater block undergoes high-precision CNC machining and strict quality assurance make the interface of the heating block smoother and more precise, which ensure a tight connection between Heatbreak and the heater block,effectively prevent filament leakage.