The SEALFAST 2 1/2" NST Swivels with Set Screw are designed for secure and flexible connections in firefighting and industrial applications. Constructed from high-quality materials, these swivels ensure durability and resistance to wear. The 2 1/2" size is compatible with standard NST fittings, making installation straightforward. The set screw feature provides added security, preventing accidental disconnections during operation. Ideal for use in fire hoses and other high-pressure systems, these swivels are engineered to deliver reliable performance and safety in critical situations.