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
Blocks
The bigger thicker blocks up from the 4"
Bags
An empty small bag.
An empty big bag.
Quarry Products
Drainage stone-small smooth rounded stone
Plastering sand
Regular sized blocks used for most building jobs.
Aggregate mix
Chips
3/8" Chips. Very small stones
A tonne bag of sand.