Sterling's Premier Snooker Ball Set consists of 22 balls, each measuring 2-1/8" in diameter. The balls are a combination of unique craftsmanship and high-technology providing consistent superior quality. Perfectly round and balanced - uniform weight and hardness - brilliant colors - friction resistant roll and reaction - are just a few of the key features that have earned Sterling's solid reputation. Produced to the most exacting standards and tolerances, each ball is individually callipered to insure maximum consistency from ball to ball. The Premier Snooker Ball Set contains 15 reds, a cue ball, and one of each of the six scoring balls.