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
3/8" Chips. Very small stones
Quarry Products
2" clean medium sized stone
Bags
An empty small bag.
Gravel
Screenings-Very dusty gravel
Blocks
Concrete block that weighs one tonne.
A tonne bag of sand.
Drainage stone-small smooth rounded stone
Regular 4" block with a 90 degree offset.
Aggregate mix
Clause 804
Regular sized blocks used for most building jobs.