Pro Series A19-B Replacement 4-Inch Rubber Pool Table Pocket Liners (Set of 6), 4-Inch Rubber replacement pool table pocket liners Rubber pocket liners protect your balls and cabinet from hard shots These pocket liners attach with small nails or screws Corner dimension - 4" depth, 9" top width, 10.75" bottom width; Side dimension  4" depth, 7.25" top width, 8.5" bottom width Comes in sets of 6 liners