7/16"-27 UNS Single Head Grip Air Chuck (Box of 10) 1108 or it can also rotate

or it can also rotate the knurled knob on the drain to manually drain the water

All threaded connections are 1/4" NPT

filled with liquid (silicone oil) to provide optimal accuracy

1 PSI and backlit for better measurement reading in dark environments

Experience effortless tire inflation with the Easy-On Grip Chuck Tire Inflator Gauge

7/16"-27 UNS Single Head Grip Air Chuck (Box of 10) 1108 or it can also rotate7 16" 27 UNS single head replacement will replace old or worn air chuck heads on Milton tire inflator gauges. This is a replacement component for a pressure inflator gauge. It will not function as a standalone air chuck. If searching for a standalone air chuck SKU#698