PREMIUM MATERIAL: Our obmwang 3D Printer Nozzles are made of high quality brass, wear-resistant and corrsion resistant, sturdy and durable. PRODUCT PARAMETER: Height - 12.5mm, Input Diameter - 1.75mm, Output Diameter - 0.4mm. External Thread - M6. PRODUCT FEATURES: Smooth and round chamfe can reduce the resistance to the consumables, avoiding unsmooth feeding; Flat and smooth contact surface solves the problem of material leakage, effectively prevent printing head leakage. COMPATIBILITY:These MK8 Extruder Nozzles are compatible with Creality CR-10, Tevo Tarantula, MK8 makerbot, duplicator, prusa i3 and reprap,and widely use for 1.75mm PLA filament. WHAT YOU WILL GET: The package will come with 30pcs MK8 Extruder Nozzles, which enough quantity for replacing your old or broken one. Note: Small Parts, please keep them away from kids.