Gravel
Clause 804
Blocks
A much bigger block with a cavity/hole going through the center.
Quarry Products
2" clean medium sized stone
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.
Bags
Small empty heavy duty sand bag.
Chips
A tonne bag of sand.
Drainage stone-small smooth rounded stone
3/8" Chips. Very small stones
Aggregate mix