https://www.acehardware.com/departments/tools/air-compressors-and-tools/air-hose-fittings/18046
Tru-Flate Brass Air Line Chuck 1/4 in. Male 1 pc Mfr# TRFL17369 - Ace Hardware
Has a built in shut off valve and therefore cannot be used on inflator gauges. Use when air supply lines come directly from the compressor with no other valve...