Simple Installation Workflow: The connector layout supports plug and play attachment without specialty tools, making it practical for routine home, shop, or field use Metal Threaded Structure: Visible metal fittings, a gauge, and a shutoff handle controlled hand use, while the compact body is easy to carry in a repair set or tool drawer between jobs Pressure Connection Utility: The adapter helps link a small pressure cylinder to manual refill or transfer setups, giving home repair users a compact connector for garage, workshop, and outdoor maintenance tasks Gauge Assisted Reference: The built in pressure gauge gives a clear visual reference during setup, helping users watch the connection process before and during each refill task Package And Care Reminder: Each package includes a single adapter; check thread fit before use, tighten carefully, and inspect the fitting before pressurized use, Manufacturer: YIGZYCN