Bags
Small empty heavy duty sand bag.
Blocks
Regular sized blocks used for most building jobs.
Chips
3/8" Chips. Very small stones
Gravel
Aggregate mix
The bigger thicker blocks up from the 4"
Clause 804
Concrete block that weighs one tonne.
A much bigger block with a cavity/hole going through the center.
Quarry Products
A tonne bag of sand.