Description Are you looking for a professional, yet affordable adapter? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional adapter must meet your needs. It is one of the best choices for you.- metal quick connector Features - ColorAssorted Color- connector - Material: Brass nickel plated. - Size: 1.70X1.00X1.00cm/0.67X0.39X0.39inch. - Made of brass, oxidation resistant, increase the life.- pneumatic fittings - No degumming, no tripping, wear resistance and pressure resistance.- pneumatic connector plug - The size is small, the shape is beautiful, and the disassembly and assembly is quick.- metal fittings - Easy to install: Connecting by the outer thread of the quick fitting.- quick fittings - High precision, high hardness, strong resistance to pressure, long service life.- pneumatic quick connector Provide unparalleled pushing power and fast retractions in a lightweight and compact package.- air hose fitting A perfect replacement for your old or broken pneumatic connector.- thread adapter Easy to install: Connecting by the outer thread of the quick fitting.-3D printer pneumatic fittings No degumming, no tripping, wear resistance and pressure resistance.- pneumatic connectors The fittings are made of heavy duty brass material. Strong ruggedness and good durability.-3D printer pneumatic air fitting