Gravel
Clause 804
Blocks
Regular 4" block with a 90 degree offset.
Chips
3/8" Chips. Very small stones
Bags
An empty big bag.
Quarry Products
A tonne bag of sand.
Concrete block that weighs one tonne.
The bigger thicker blocks up from the 4"
Drainage stone-small smooth rounded stone
4" clean large stone
2" clean medium sized stone
Plastering sand