Bags
Small empty heavy duty sand bag.
Blocks
The bigger thicker blocks up from the 4"
Regular sized blocks used for most building jobs.
Quarry Products
Drainage stone-small smooth rounded stone
Gravel
Clause 804
Plastering sand
Concrete block that weighs one tonne.
Aggregate mix
An empty small bag.
A much bigger block with a cavity/hole going through the center.