Hi Andrew...
2in1 inline phillips/openers mod has so far been only done on a 93mm frame as its just aa easy as flipping the backsprings... if you noticed, on 93mm frames, the center pin is equidistant to the outer pins... in addition, this type of mod will result in the opener tips just barely touching the inline phillips head...
A lot of modifcation is required for the shorter 91mm frame size... and possibly even custom backsprings...
Here’s a thread discussion on the 93mm mod... Hope it helps...
https://forum.multitool.org/index.php?topic=70976.0I see you have also posted on other similar threads too...
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