Blocks
Concrete block that weighs one tonne.
Chips
Quarry Products
A tonne bag of sand.
3/8" Chips. Very small stones
The bigger thicker blocks up from the 4"
Drainage stone-small smooth rounded stone
Gravel
Aggregate mix
2" clean medium sized stone
Plastering sand
4" clean large stone
A much bigger block with a cavity/hole going through the center.