In the game of snooker, what is the highest possible break that a player can get?

147-The highest potential break in a single frame in snooker is a maximum break (also known as a maximum, a 147, or orally, a one-four-seven). A maximum break is achieved when a player pots all 15 reds with 15 blacks for 120 points, then all six colors for another 27 points.