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.
Gravel
Aggregate mix
Blocks
Concrete block that weighs one tonne.
The bigger thicker blocks up from the 4"
Regular sized blocks used for most building jobs.
Quarry Products
Plastering sand
Bags
An empty small bag.
A tonne bag of sand.
Chips
4" clean large stone
Clause 804