Blocks
Regular 4" block with a 90 degree offset.
The bigger thicker blocks up from the 4"
Gravel
Screenings-Very dusty gravel
Concrete block that weighs one tonne.
Clause 804
Regular sized blocks used for most building jobs.
Bags
An empty small bag.
Chips
Quarry Products
4" clean large stone
A much bigger block with a cavity/hole going through the center.