Milton S693 Dual Head Straight Foot Air Chuck<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>For inner duals， both ends lock on threads</li><li>1/4" female NPT</li><li>Warning: Sealing type chucks are for use on Milton Inflator Gauges</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21gak4kCgBL.jpg" noproxy>