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.
Bags
An empty small bag.
Blocks
Regular sized blocks used for most building jobs.
Quarry Products
A tonne bag of sand.
Gravel
Clause 804
Plastering sand
Chips
4" clean large stone
The bigger thicker blocks up from the 4"
Drainage stone-small smooth rounded stone