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.
Quarry Products
A tonne bag of sand.
Gravel
Clause 804
Blocks
The bigger thicker blocks up from the 4"
Chips
Concrete block that weighs one tonne.
Regular sized blocks used for most building jobs.
Regular 4" block with a 90 degree offset.
3/8" Chips. Very small stones
Aggregate mix