Feature:1. Brass and Stainless Steel: The leak proof and clog proof design of the brass nozzle prevents the printing material from leaking or clogging. The nozzle needle is made of high quality stainless steel and is ideal for dealing with clogged nozzles on the hot end of 3D printer extruders.2. Wide Compatibility: Our nozzles work with most 3D printers and are compatible with all 0.07in PLA ABS 3D printers.3. Accuracy Machining: Manufactured with a centering CNC accuracy automatic lathe and one shot molding technology to ensure that the input and output holes are concentric and the inside of the nozzle is .4. Precise Design: The flat contact can effectively prevent the leakage of the nozzle and avoid the blockage of the nozzle.5. Sufficient Quantity: There are 15 nozzles and 5 needles in total, enough for you to use for a long time, you can use it with confidence.Specification:Item Type: Nozzle and Nozzle NeedleMaterial: Brass and stainless steelNozzle Outlet Diameter: Approx. 0.4mm / 0.02in Needle Diameter: Approx. 0.15mm / 0.01inHow to Use:Can be used directlyPackage List:5 x Nozzle Needle15 x Nozzle1 x Storage Tube