1/4-Inch Brass Female Industrial Coupler, 10 Pack 1/4 Inch Air Hose Fittings Npt Specifications: Package List: ?Package Dimension?- This package includes 10 pack 1/4 inch brass female industrial couplers, each coupler are 1/4 inch NPT female thread 1/4 inch body size, their maximum working pressure is 300 psi. ?Premium Materials?- Quick connector air couplers are made of high quality brass, they are high strength, high hardness and durable for long term use. ?Connector Type?- 1/4-inch brass female industrial couplers are used for industrial/M-style interchange, they also adapts to all industrial/M-style plugs/nipples. ?Coupler Sleeve?- A better grip when connecting and disconnecting, sleeve guard helps reduce the risk of accidental disconnects and protects the coupler sleeve. ?Wide Application?- 1/4-inch brass female industrial couplers are ideal for professional jobsites, in automotive shops or at home in the garage for air hose, air compressor, air tools, air nailer, air blow gun, pressure washer.