SuperWhole 3/8"x1/4"Male Hex Nipple Threaded Reducer Pipe Fitting Stainless Steel 304 NPT Shape: Threaded Reducer (Male x Male) Connection:NPT-NPT.Measurement: 3/8"x1/4" Material: 304 Stainless steel Other size is available too,please check it in our store Package Include:1 piece x 3/8"x1/4"Male Hex Nipple Threaded Reducer Pipe Fitting Stainless Steel 304 NPT