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.
Blocks
Concrete block that weighs one tonne.
Chips
Quarry Products
Drainage stone-small smooth rounded stone
Regular 4" block with a 90 degree offset.
Bags
An empty big bag.
Gravel
Aggregate mix
Clause 804
Regular sized blocks used for most building jobs.
A much bigger block with a cavity/hole going through the center.
3/8" Chips. Very small stones