Check the listing for details. Green Number 6 Billiard Ball Single Pool Table Replacement Accessory 2 1/4". Condition: Used. Listed at 7.99 USD. The Green Number 6 Billiard Ball is a single replacement accessory for pool tables. This ball is designed in a standard 2 1/4" size and features a vibrant green color for easy identification on the table. Perfect for replacing a missing or damaged ball in your pool table, this accessory is essential for maintaining a complete and functional game for any billiards enthusiast. The ball is in used condition. Shows some signs of wear or scratches to the surface.