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.
Quarry Products
4" clean large stone
Chips
Drainage stone-small smooth rounded stone
A much bigger block with a cavity/hole going through the center.
Bags
Small empty heavy duty sand bag.
Regular 4" block with a 90 degree offset.
Regular sized blocks used for most building jobs.
Gravel
Clause 804