Clause 804
Clause 804(less dust than screenings) has a whole range of versatile uses. It is sold lose by the tonne.
Blocks
Regular 4" block with a 30 degree offset.
Chips
3/8" Chips. Very small stones
Quarry Products
Drainage stone-small smooth rounded stone
2" clean medium sized stone
A tonne bag of sand.
Plastering sand
Concrete block that weighs one tonne.
Bags
An empty small bag.
Regular sized blocks used for most building jobs.