Multiple size extruder nozzles includes 0.4 mm. Extruder brass print heads usually apply in printing non-abrasive material filament like PLA, ABS,Nylon and so on. Size mark on the surface of each nozzle. External 6mm screw thread, connect with MK8 style extruder. Model: 3D Printer Extruder Brass Nozzle. Material: Brass. Color: Golden Filament Size: 1.75mm. Nozzle Precision:0.4mm. Compatible with:3D printer with MK8 style hotend external M6 thread, such as Creality CR-10,CR10s, Ender 3, Ender 3 Pro,MK8 makerbot, Anet A8, Prusa i3, etc123.