Quarry Products
A tonne bag of sand.
Drainage stone-small smooth rounded stone
Blocks
A much bigger block with a cavity/hole going through the center.
Gravel
Clause 804
Regular sized blocks used for most building jobs.
Plastering sand
4" clean large stone
Regular 4" block with a 90 degree offset.
Chips
Bags
An empty small bag.
Regular 4" block with a 30 degree offset.