Chips
Gravel
Aggregate mix
Blocks
Concrete block that weighs one tonne.
Regular 4" block with a 30 degree offset.
Quarry Products
4" clean large stone
A much bigger block with a cavity/hole going through the center.
Bags
Small empty heavy duty sand bag.
An empty big bag.
2" clean medium sized stone
Clause 804
A tonne bag of sand.