Clause 804
Clause 804(less dust than screenings) has a whole range of versatile uses. It is sold lose by the tonne.
Bags
An empty small bag.
Blocks
Quarry Products
2" clean medium sized stone
Concrete block that weighs one tonne.
A tonne bag of sand.
Chips
A much bigger block with a cavity/hole going through the center.
3/8" Chips. Very small stones
4" clean large stone
Regular 4" block with a 30 degree offset.