An empty big bag.
An empty big bag which can hold a tonne of sand, gravel or chips. Bought on its own as an empty bag.
Blocks
Regular sized blocks used for most building jobs.
Quarry Products
Drainage stone-small smooth rounded stone
The bigger thicker blocks up from the 4"
A much bigger block with a cavity/hole going through the center.
Concrete block that weighs one tonne.
Bags
An empty small bag.
Gravel
Aggregate mix
A tonne bag of sand.
Clause 804
2" clean medium sized stone