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
4" clean large stone
Clause 804
Bags
An empty small bag.
Aggregate mix
Blocks
Small empty heavy duty sand bag.
2" clean medium sized stone
Drainage stone-small smooth rounded stone
Chips
Regular sized blocks used for most building jobs.
Regular 4" block with a 30 degree offset.