Package include: 16Pcs 3D Printer Nozzles MK8 Extruder Nozzles 3D Printer Brass Ender 3 Hotend Nozzles 0.4MM Compatible for Creality Ender 2, Ender 3/Ender 3 Pro/Ender 3 V2/Ender 3 Max, Ender 5/Ender 5 Pro,Ender 3 S1/Ender 3 S1 Pro/Ender 3 Neo and CR10 Series, MK8 Makerbot Reprap Prusa I3, Compatible with all 1.75mm PLA ABS 3D Printer.3D Printer Ender 3 Nozzles 0.4mm are made of Brass, Out Thread: M6, Filament Diameter: 1.75mm.3D Printer Nozzles are made of Brass, sturdy and high-temperature resistance, connect with M6 out thread, Compatible for any 3D Printer with an M6 Thread Heat Block.high-quality brass nozzles, good abrasion resistance, heat resistance, and corrosion resistance.Input diameter 1.75mm, smooth inner wall, extruder nozzle diameter error less than 0.02mm.Greatly reduces the risk of print head leaks and avoids nozzle clogging，