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.
Blocks
Quarry Products
A tonne bag of sand.
Regular 4" block with a 30 degree offset.
Concrete block that weighs one tonne.
Chips
2" clean medium sized stone
Bags
An empty small bag.
Regular sized blocks used for most building jobs.
Gravel
Screenings-Very dusty gravel
Clause 804