Gravel
Screenings-Very dusty gravel
Blocks
Regular 4" block with a 90 degree offset.
The bigger thicker blocks up from the 4"
Bags
An empty big bag.
Quarry Products
Drainage stone-small smooth rounded stone
Aggregate mix
A much bigger block with a cavity/hole going through the center.
Regular sized blocks used for most building jobs.
Concrete block that weighs one tonne.
Chips
A tonne bag of sand.