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
Aggregate mix
Bags
Small empty heavy duty sand bag.
Quarry Products
Drainage stone-small smooth rounded stone
Blocks
Regular 4" block with a 90 degree offset.
4" clean large stone
Regular sized blocks used for most building jobs.
2" clean medium sized stone
Regular 4" block with a 30 degree offset.
Clause 804
Concrete block that weighs one tonne.
Chips
Screenings-Very dusty gravel