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
Blocks
Concrete block that weighs one tonne.
Gravel
Clause 804
Regular 4" block with a 30 degree offset.
Quarry Products
Drainage stone-small smooth rounded stone
4" clean large stone
Aggregate mix
2" clean medium sized stone
Regular 4" block with a 90 degree offset.
A tonne bag of sand.