
Your standard 2 ¼ inch replacement billiard cue ball.
The cue ball takes the brunt of the action, and is usually the one to go flying off the table (not on purpose, but it happens!)
Over time your cue ball will get small nicks and dents (which are often invisible to the naked eye), and the finish can become uneven causing it not to roll perfectly.
You'll want to replace it sometime, and when you do the Pool Hustler has you covered!