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.
Gravel
Screenings-Very dusty gravel
Blocks
A much bigger block with a cavity/hole going through the center.
Regular 4" block with a 30 degree offset.
Clause 804
Quarry Products
Plastering sand
Regular sized blocks used for most building jobs.
2" clean medium sized stone
Concrete block that weighs one tonne.
Chips