Drainage stone-small smooth rounded stone
Drainage stone are small smooth rounded stone used for draining water away from places where water is unwanted. It is sold lose by the tonne.
Blocks
A much bigger block with a cavity/hole going through the center.
Bags
Small empty heavy duty sand bag.
Concrete block that weighs one tonne.
Gravel
Clause 804
Quarry Products
2" clean medium sized stone
A tonne bag of sand.
Regular sized blocks used for most building jobs.
Regular 4" block with a 30 degree offset.
Screenings-Very dusty gravel
Aggregate mix
Regular 4" block with a 90 degree offset.