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
Chips
Concrete block that weighs one tonne.
A much bigger block with a cavity/hole going through the center.
The bigger thicker blocks up from the 4"
Gravel
Clause 804
Quarry Products
Plastering sand
Regular 4" block with a 30 degree offset.
Drainage stone-small smooth rounded stone
3/8" Chips. Very small stones
Aggregate mix