Some do.Some dont,SOME almost ,Man what a mess,{FITTINGS} ah. a bunch of Bologna WHY NPT BSPP and a whole other slew of letters,just reading another thread and the member couldnt get the hose to connect tothe compressor,,i want to be safe and want to buy AMERICAN MADE ,my issue is some of theese knock offs almost work ,is there a common one we all should be using ,,some in the know,will you please take a minute to straighten this out please HYNZIE