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