Blackball (pool) number "8" (a holdover from kelly pool), though numberless variants are not unknown. British pool tables come in 6 × 3 foot (1.8 × 0.9 m) or 7 × 3.5 ft (2.12 × 1.06 m) varieties, with 7 feet being the regulation size for league play. The table has pockets just larger than the balls and rounded, as in the game of snooker, whereas the international-style (or "American-style") table has pockets significantly wider, with pointed . Tournament rules may require the presence of more than one type of (mechanical bridge), as in snooker. There are two competing standards bodies that
Billiard table with baize cloth, traditionally green, though many other colors are now available. The thickness of this cloth determines the table's (lack of friction) and responsiveness to , thicker cloths being longer lasting but slower and less responsive. The nap of the cloth can affect the run of the balls, especially on slower shots and shots played with applied to the . A snooker table traditionally has the nap running from the baulk to the top end and is brushed and ironed in this direction. Other types of billiard tables are used for specific games, such as Russian pyramid which uses