Right bit for output jack

Sorry for the newbie question but what's the right size and shape bit for the output jack on a tele?

7/8, and what type of bit makes a good question.

I use a 7/8" forstner bit for the stock cup type. You might still have to round over the edges to get it to sit flat.

I use a 7/8" forstner bit for the stock cup type. You might still have to round over the edges to get it to sit flat.

Thank you!