| Fits 1/4" FNPT hoses for standard connections Box includes 10 M-Style couplers Hardened steel drag guard prevents accidental uncoupling Kwik-Change design for fast, easy hose swaps Supports up to 300 PSI pressure | Handles temperatures up to 250°F Buna-N seal ensures leak-free performance Interchangeable with MIL-C-4109 compliant plugs Durable steel construction for long-lasting use Ideal for industrial, workshop, and air tool applications |