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
Regular sized blocks used for most building jobs.
Gravel
Screenings-Very dusty gravel
Quarry Products
Drainage stone-small smooth rounded stone
The bigger thicker blocks up from the 4"
Bags
Small empty heavy duty sand bag.
2" clean medium sized stone
Clause 804
A tonne bag of sand.
Aggregate mix
An empty small bag.