🚀 Elevate Your 3D Printing Game! Brass nozzles for rapid, smooth printing. Includes PTFE tube for versatile filament use. 0.4mm output for flawless prints. Compatible with QIDI TECH I-Fast and more! Your satisfaction is our priority! M6 Screw Thread High Heat Conduction 0.4mm Brass Nozzles The R QIDI TECHNOLOGY 3D Printer Nozzles are designed for optimal performance with 1.75mm filament, featuring durable brass construction for enhanced heat conduction and compatibility with various 3D printers, including the QIDI TECH I-Fast. Each package includes two 0.4mm nozzles and PTFE tubes, ensuring a seamless printing experience.