The radiator air venting valve is widely used in radiator heating systems, also known as an air bleeder.Specification Color: Silver, WhiteMaterial: Nickel Plated Brass, NylonOverall Size: 29x19mm/1.14x0.75inch (OD*H)Thread Diameter: 3/4" Male (26.441mm/1.04inch)Max. Working Temperatures: +120°CMax. Working Pressure: 1,0MPa (10 bar)Packing List: 1 x Radiator Air Vent Valve, 1x Radiator Valve KeyAdvantageMade of nickel-plated brass material, it has the feature of stability, high hardness, corrosion resistance, and wear resistance. The surface is polished, which is very bright, and beautiful.This package comes with a valve key, which can be used together; Moreover, the valve key has a square hole, which is very compatible and can be applied to the keyhole of a variety of tools.