olzzdda mk4 nozzles Compatibility: Compatible with Prusa MK4 / XL 3D printers; Fast assembly and disassembly High flow rate to support high speed printing Hardened steel bimetallic nozzles All-metal integrated design prevents leakage and is easy to handle, upgraded materials for high abrasion resistance In addition to traditional filaments such as PLA, ABS, PETG, and TPU, it excels in the printing of composite filaments used in industrial-grade applications, such as carbon fibers, glass fibers, and more! Easier to clean, reduces clogging of nozzles, and improves layer adhesion, has a robust diamond nozzle that can be used with any filament, longer service life, lower operating temperatures, and improved abrasion resistance! olzzdda Nozzles Compatible with Prusa MK4 / XL 3D Printers,Improved Extrusion, Any Filament, Long Life, Wear Resistant,Hardened High Precision MK4/XL Brass 0.4mm Nozzle