Gravel
Clause 804
Blocks
Bags
Small empty heavy duty sand bag.
A much bigger block with a cavity/hole going through the center.
Chips
Quarry Products
Plastering sand
The bigger thicker blocks up from the 4"
An empty big bag.
2" clean medium sized stone
Regular 4" block with a 90 degree offset.
A tonne bag of sand.
Regular sized blocks used for most building jobs.