Back. 1  Empire USA Deluxe Pool Ball Set Standard Size 2-1/4. 4.5 out of 5 stars 234. 2  Viper Billiard/Pool Table Accessory: 8-Ball Rack, Hardwood Triangle, Holds Standard 2-1/4 Sized Balls. 4.1 out of 5 stars 80. 3  Eight Ball Billiard Rack with Oak Finish. 4.2 out of 5 stars 109. 4  Pro Series Commercial Plastic Billiard/Pool Ball Rack, Black.