A larger hole must be drilled in order to push the off-the-shelf
solution's flexible cable through it. Stiff wire was pushed through,
instead of pulled through with a snake, to keep the hole as small as
The solution's cable length is also about 94 feet too short.
Perhaps you can spice it to the stiff wire. But it's difficult for me to
fully apprise the situation from an image. And unpleasant surprises,
after a sometimes long wait for arrival, are anthematic to me.
It's also difficult for me to pay $28.99 for parts freely available
in my bone pile.