The TECTRAN 1021 Air Brake Air Line Fitting is designed to provide a secure and reliable connection for air brake systems. Featuring a nut specifically for 3/8-inch hoses, this fitting is essential for maintaining the integrity and efficiency of your air brake lines. Engineered for durability and precision, the TECTRAN 1021 ensures a tight seal and optimal performance under pressure. Its robust construction makes it ideal for heavy-duty use in both industrial and automotive applications. The straightforward design facilitates easy installation and maintenance, helping you keep your air brake system in top working condition. Whether you're replacing old fittings or outfitting new systems, the TECTRAN 1021 air brake air line fitting is a dependable choice. Available at Wofford Truck Parts, it combines quality and functionality to support your air brake system's reliability and safety.