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
Screenings-Very dusty gravel
Quarry Products
Drainage stone-small smooth rounded stone
A tonne bag of sand.
Chips
Blocks
Bags
An empty small bag.
The bigger thicker blocks up from the 4"
An empty big bag.
Aggregate mix
Regular sized blocks used for most building jobs.