A much bigger block with a cavity/hole going through the center.
They are a much bigger block than the 4″ and 6″ blocks with a cavity/hole going through the center of the block. Sold in bales of 20 or by single blocks on their own.
Blocks
The bigger thicker blocks up from the 4"
Quarry Products
2" clean medium sized stone
Gravel
Clause 804
Plastering sand
Bags
An empty big bag.
Aggregate mix
4" clean large stone
Screenings-Very dusty gravel
Drainage stone-small smooth rounded stone
Chips