Feature●[Durable Aluminum Alloy] Crafted from high-quality aluminum alloy for enhanced durability and reliability during welding and soldering tasks.●[Locking Screw for Secure Fit] Features a locking screw for tight attachment, ensuring good sealing and easy installation, preventing hot air overflow.●[Precise Nozzle Sizes] Includes 4 different-sized nozzles to meet a range of needs, with extended elbow design for added flexibility and .●[Optimized Performance] Ensures efficient airflow and heat distribution, maximizing the effectiveness of your hot air in various applications.●[Versatile Compatibility] Compatible with various heat models including 850, 850a, 852, 852d, 852d+ and 950, as well as air pump types.Description