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