Originally Posted by
El Chaba
Got that covered, and I welcome any excuse to use this tool and tilt the axis of the earth a little bit in the process….
But that's not a "
T wrench, an L wrench, a peanut butter wrench, [or] a small flat bladed screwdriver." 
I have the same Var tool. The factory-supplied jaw will do conventional 36mm fixed cups just fine, but it takes two additional jaws added to the set to handle all fixed cups - including the common 38mm Stronglight size.
-Kurt