what is the length of the gap between the two legs where the laptop sits?
It is about 8.26 inches.
Is the stand adjustable?
Would this work for a “16 macbook pro?
My bother has a 16 macbook pro — it would be fine for the larger laptop.
What is the size of the rubber feet on the bottom that rests against the desktop?
about 1.7 inch long and 1 inch width, it has four of them, The contact area between the bottom of the bracket and the desktop is covered with wear-resistant and non-slip silicone to ensure that the bracket will not shake during use, and also protect the expensive desktop from being scratched.