An empty big bag.
An empty big bag which can hold a tonne of sand, gravel or chips. Bought on its own as an empty bag.
Blocks
The bigger thicker blocks up from the 4"
Bags
An empty small bag.
Regular 4" block with a 30 degree offset.
Quarry Products
4" clean large stone
Gravel
Clause 804
Regular sized blocks used for most building jobs.
Concrete block that weighs one tonne.
Plastering sand
A much bigger block with a cavity/hole going through the center.
Regular 4" block with a 90 degree offset.
Chips
3/8" Chips. Very small stones