Set of six replacement rubber pool table pocket liners. These liners attach to your pool cue cabinet with small nails or screws and protects the pocket (and the ball) from hard shots. Available in two sizes: 3" and 4". The 3" liners (3" corner dimension) have a 3" depth, 9" top width and 10.75" bottom width. Side dimensions are 3" depth, 7.25" top width and 8.5" bottom width. The 4" liners (4" corner dimension) have a 4" depth, 9" top width and 10.75" bottom width. Side dimensions are 4" depth, 7.25" top width and 8.5" bottom width.