Material: Copper; Thread: M22x1 Female & M24x1 Male; Connection Diameter(Black rubber end): 16 mm/ 0.63"; Tolerance: + 0.5mm / - 0.5mm NO LEAKING. O-ring seals at the back and front to prevent any leaks. APPLICATION. It is mainly used for garden, lawn, farmland irrigation, air tank/water tank water supply, nozzle connection, plastic hose connection and maintenance NOTE. Thread size must be measured accurately; Wear gloves and operate with the water valve closed. When connecting the hose, you can use a clamp to prevent loosening and leakage. The connector is a non-high pressure connector. You must carefully select the shape of the connector interface and whether it matches the shape of the female connector. MATERIAL. Copper material strength is good, not easy to rust, high-temperature resistance, screw connection and quick connection are convenient to use