NOTE: After replacing the nozzle, please recalibrate the distance between nozzle and build plate to ensure the quality of print parts. COMPATIBILITY: This printer nozzles are compatible with Anet A8, Creality CR-10, Tevo Tarantula, E-3D makerbot, duplicator, prusa i3 and reprap printer. MATERIAL AND SIZE: These printers' nozzles are made of stainless steel, Out Thread: M6, Filament Diameter: 1.75mm, Output Diameter: 0.2mm, 0.4mm, 0.6mm, 0.8mm, 1.0mm. NOZZLE CLEANING NEEDLES: 5 pieces cleaning needles have 5 different size: 0.2 mm, 0.4mm, 0.6mm and 0.8mm, suitable for cleaning most of your 3D Printer nozzles. PREMIUM QUALITY: The cleaning needles are made of high quality stainless steel, flexible, sturdy and durable. With a handle, you can twist the drill when using.