The slate is the surface, the rails make the pockets. If the pocket edges don't line up evenly it is because the rails were installed in the wrong locations. At the factory, these are matched and numbered. If these don't appear to "be even", they were installed in the wrong locations.
There are 6 pockets in a standard table.
It is not a pool table if it only has 4 pockets. If the table is from the 1700's, it could be an antique pocket billiards table.
Billiards there are 3 balls on the table, no pockets. Snooker, 6 pockets, 22 balls on the table.
In the US, these must be shipped by truck freight in most cases.
6
Convertible Tablet's. The ones that are just flat are Table slates.
5 pcs on a riley 6 by 12 foot full size table, weight 170 kg a piece. Total 1200 kg for my table.
six
Well there are air pockets in the paint brush and when you lay down the paint some of the ir pockets are now laid on the table.
6 pockets on a snooker table.
6 pockets on a pool table
pockets