all kinds of USA type couplers ISO9001: 2008 High quality 1year Quality Warranty air quick couplerType: Milton, Industrial, Truflate, Aro, LincolnThread: Female, Male, Hose BarbThread Size: 1/4" NPT, 3/8" NPT, 1/2" NPTBody Size: 1/4" body, 3/8" Body, 1/2" BodyMaterial: Steel & BrassMaximum working pressure: 200PSIPacking: Bulk or BlisterApplication: Air Tools, Air Hose, Air Filter Regulator, Air ...