Aurion 101 Pool Ball Set, Youth Set of 16 (Multicolour) A great value, good quality, affordable red and yellow 2" pool ball set. Suitable for use with all standard pool tables. Need a set of balls you can rely on without breaking the bank? Then these are the balls for you! All red, yellow and black 8 balls are 2" in diameter. White cue ball is 1 7/8" in diameter.