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.
Chips
Blocks
A much bigger block with a cavity/hole going through the center.
3/8" Chips. Very small stones
Regular sized blocks used for most building jobs.
Gravel
Clause 804
Concrete block that weighs one tonne.
Quarry Products
2" clean medium sized stone
Screenings-Very dusty gravel
The bigger thicker blocks up from the 4"