Quote Originally Posted by earz View Post
Interesting solution. I discovered that a 3/8” drive socket extension fits perfectly in the keyhole of my 6” 3-jaw.
my 5" 3 jaw uses 3/8" and the 6" 4 jaw uses 5/16"
Taps with their wide range of squares make the perfect go to when you need a square drive and need it now just find a couple of nuts thread them on lock them together wrench on the nut farthest from the square for turning to the right and the nut closest to the square for turning to the left.