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"
Bags
Small empty heavy duty sand bag.
Regular sized blocks used for most building jobs.
Regular 4" block with a 30 degree offset.
Quarry Products
Plastering sand
A tonne bag of sand.
Gravel
Clause 804
Concrete block that weighs one tonne.
Chips
Drainage stone-small smooth rounded stone