Interstate Pneumatics T42-D 1/4 Inch FNPT Heavy-Duty Professional Thumb Lock-On Tire Air Chuck

The Interstate Pneumatics T42-D is a heavy-duty thumb lock-on tire chuck designed for professional air service applications. Built with a 1/4″ FNPT connection, it securely attaches to standard airline fittings for reliable use in shops, fleets, and garages. The thumb lock mechanism ensures a firm grip on the valve stem, preventing air leaks during inflation. Engineered for strength and durability, the T42-D is ideal for cars, trucks, RVs, and equipment requiring a dependable lock-on connection for consistent tire inflation.