These high-quality Genuine E3D Prusa Nozzles are crafted specifically for Prusa's Nextruder, ensuring compatibility with MK4 and XL 3D printers. The all-metal filament guide streamlines the filament path entirely in metal, fostering improved printer reliability and facilitating quicker nozzle exchanges. The nozzles support a maximum temperature of 300°C, and each nozzle is distinctly engraved with its size for straightforward identification.