Characteristics:Smooth appearance with lettering, small viscosity coefficient on the inner wall, reducing resistance, tight fitting of the joint, preventing print head leakage. PRINTER NOZZLE PARAMTER: Input diameter: 1.75mm, Nozzle precision: 0.1mm 0.2mm 0.3mm 0.4mm 0.5mm 0.6mm 0.8mm 1.0mm, Screw thread: M6, Easy to find your need. DURABLE MATERIAL: Ender 3 printer nozzles are made of premium brass material, sturdy and durable; Fit to most non-abrasive materials such as PLA, ABS, Nylon, TPE. PACKAGE INCLUDE: Total 40Pcs printer nozzles for 3D printer; 16Pcs 0.4mm nozzles, 2Pcs 0.1mm,4Pcs 0.2mm,4Pcs 0.3mm,4Pcs 0.5mm,4Pcs 0.6mm,4Pcs 0.8mm,2Pcs 1.0mm APPLICATION: 3D Printer Extruder Nozzles fit to replace all external M6 thread connection, like Ender 3, Ender 5, Ender 2 Creality CR-10, Makerbot Anet A8 and so on.