【Widely Compatible】Original MK-ST 0.4mm 3D printer Nozzles of Creality CR-6 SE/Ender-3 S1/Ender-3 S1 Pro/Ender-3 S1 Plus/Sermoon V1 Pro/Ender-2 Pro/CR-6 Max/CR-10 Smart. And it can compatible with most Creality 3D printers on the market such as Ender-3 series and CR-10 series.