1 Thread type: Female, Male, Hose Barb 2 Size: 1/4" NPT, 3/ ... 3 brand OEM/YanFeng inforamtion :1,name :quick coupling2,Thread type: Female, Male, Hose Barb3, Size: 1/4" NPT, 3/8 ... : 1/4 " body5, Construction: Socket body: steel Back nut: steel Sleeve: steel Valve: chrome steel Valve spring: steel Locking balls: steel Seals: buna-n / nitrile4, Surface treatment ...