... steelADAPTOR FEMALEProduct stainless steel quick coupling type B 1/2 NPTSizequick coupling 1/4"-4"Kindquick couplings type:A adaptor female ... asaptor hose shank, F asaptor male, DC dust cap, DP dustplug.Pressure Rating150LBS,2000LBS,3000LBSStandardASME,ANSIB 16.11,JIS B23 ... .6,HGJ10;SHJ410 etc.MaterialCF8M/1.4408/SS316,CF8/1.4308/SS304EndANSI B2.1 , BS21, DIN259/2999, JIS B0203Application ...