An empty small bag.
An empty small bag which can be filled with 4 stone weight of sand, gravel or chips. Bought on its own as an empty bag.
Chips
3/8" Chips. Very small stones
Blocks
Regular sized blocks used for most building jobs.
Gravel
Clause 804
Quarry Products
Drainage stone-small smooth rounded stone
Aggregate mix
4" clean large stone
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.
A tonne bag of sand.