Quoted from sturner:Sorry for the dumb question, but do these require drilling into anything? Or do they slip over existing hardware?
Nope, no drilling required. They slip right in with the existing set up.
In general, all his are like that. Some are real easy, and others use existing screws to hold them in. Depending on which one you are installing, you might have anywhere from one screw to a while scoop mechanism to take out. Depends on the game. Regardless, I've never seen or heard of one requiring any irreversible work.