Wow, 1/4" is thin! The sticks were't designed for that (take a look at the descriptions of the product for specifications on panel thickness.)
This wording from the description:
Or maybe you felt left out in the cold because you had a 3/4" or 1/2" thick panel and because you mount your sticks below, the handles are either too stubby or too long?
may lead some to believe there is an ability to have a shorter handle than is possible. A few details on the height above the joystick installed may help eliminate some confusion.
Not to be argumentative, but the above quoted sentence is accurate, even though out of context with the rest of the description. Also, you may want to note that the emphasis in your quote was yours, not mine.
This is what I was referring to above:
"The Versa-ball shafts are designed for use with "under the panel" joystick installations on panels of 1/2" to 7/8" in thickness."
But stuff happens, and I understand that sometimes the details get missed.
There are so many combinations of CP thicknesses, Ball Sizes, Joystick base varieties, etc, it would be a massive undertaking to try to give exact dimensions for every possible combination. This is why the description states "There are 2 height selections optimized for an approximate 2-inch height to the
bottom of the ball." As with just about anything I sell, if it's not what you expected and it's still new, send it back for a refund. We don't want anyone to be unhappy with their purchase.
Or design the shaft so that the e-clip can go on in two locations. One to make it short, one for long.
Read the above part about "2 height selections"
The limits of adjustability have been reached with the VersBall shafts, unless you like seeing the e-clip grooves above your panel (I guessed that most wouldn't when I designed them.)

RandyT