Part #: 14M-ADP
Adapter screws into top of INSTANT-OFF and allows INSTANT-OFF to be installed on to 1/4″ female pipe threads.
ALL INSTANT-OFF have MALE (external) and FEMALE (internal) threads.
The INSTANT-OFF is shipped with a MALE (external) 15/16″ adapter installed at the top of the INSTANT-OFF. If you unscrew this male threaded adapter you will find FEMALE Threads 55/64.