Made of brass material, not easy to wear, rust and deform, reliable for long time use. With large quantity, enough for you replace the old or broken ones. Abundant quantity can meet your needs and replacement. Features - ColorGolden -Material:Brass - Size: 1.30X0.70X0.70cm/0.51X0.28X0.28in -The extruder nozzles are made of brass material, it has the characteristics of high hardness and high toughness. -Excellent anti-rust and properties, and can the long-life service of our 3d printer nozzles. -The inner wall of the extruder nozzle is smooth and has no burrs, providing you an accurate and smooth extrusion. -Lightweight and portable, reasonable size is easy to carry and store, and it won't take much space when you store it. -You will obtain large quantity of 3d printer nozzles, abundant enough to satisfy your daily using and replacing needs. Package list: 30 x Extruder Nozzles