The 2PCS 0.4mm Hardened Steel Integrated Nozzle for Kobra 3 Max Combo is a high-quality and durable accessory designed specifically for 3D printers. With a size of 0.4mm and a hardened steel construction, these nozzles provide excellent precision and reliability for your printing needs. The QuickSwap feature allows for easy and convenient replacement, ensuring a seamless printing experience. These nozzles are a must-have for any Kobra 3 Max Combo printer, offering enhanced performance and longevity.