I'm modding my keyboard; adding scroll wheels to it, one for each hand. I'm looking for the perfect mouse scroll wheel. In my limited experience, I like the logitech mx 518 scroll wheel.
What I like about it: it has a clicky mechanical scroll action (not smooth), and it cannot come to rest anywhere in between 2 scrolling positions. This is good because I want to use it to quickly repeat a function an exact amount of times, (backspace, undo, select from a list, move cursor), and it is always a consistent finger motion needed. In comparison, every other mouse wheel I've tried can end up sitting in an unusual spot in between two scrolling positions which makes my scrolling inconsistent, and thus less confident, and thus slower.
Has noticed any other scroll wheels that work this way, or better? Perhaps a different one will have a better internal configuration for modding.