![Pipe Threader Kit](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
WHEN USING IT:
The black knob must fit into the groove.
WHEN REMOVING THE HEAD:
The black knob must not fit into the groove.
HOW TO REPLACE THE WINCH HEAD:
Adjust the position of the flat- blade screwdriver and the black knob (as shown in the picture), With a little push, the head falls off