This style tap wrench is useful in confined spaces or where extra reach is required.
From the en.wikipedia.org
The T-handle tap wrench uses a collet to secure the tool.
From the en.wikipedia.org
When they spot a tap nearby, they wrench it off and start using it as a shovel.
From the time.com
This type of tap wrench is used with larger taps and where there is room for a larger wrench, because a T-handle is more compact.
From the en.wikipedia.org
As he was using a monkey wrench and screwdriver to tap the pins out of the hinges of a door, my phone rang.
From the timesunion.com
For hand tools, the shank end is usually a square drive, intended for use with the same type of wrench used to turn a tap for the cutting of screw threads.