A tonne bag of sand.
A tonne bag of sand made up in store and ready to be collected.
Bags
An empty big bag.
Blocks
Regular sized blocks used for most building jobs.
Gravel
Screenings-Very dusty gravel
Regular 4" block with a 90 degree offset.
Clause 804
Concrete block that weighs one tonne.
Quarry Products
4" clean large stone
Drainage stone-small smooth rounded stone
Regular 4" block with a 30 degree offset.
Aggregate mix