Enhance your hot air machine's performance with our tips! Made with high-temperature materials, they offer precise temperature control and no air leakage. Their energy-saving design won't take up space, and their materials ensure that you're doing your part to protect the environment while achieving optimal results. Specification: Product name: Hot Air Machine Nozzle Size: 5x5x5cm | 1.96x1.96x1.96 inches Material: stainless steel Outer diameter: 3 4 5 6 7 8 9 10 12mm Features: High temperature resistance, no air leakage, easy replacement, strong versatility, suitable for various hot air welding platforms, fixed with high-quality steel screws, firmly installed, and easy replacement. Packing List: Hot Air Machine Nozzle * 1 Note: Due to different lighting and screen settings, item colors may vary slightly from the pictures. Due to the difference in manual measurement, please allow a 1-2cm difference in size.