Regular 4″ block with a 90 degree offset.
Regular 4″ block with a 90 degree offset. Can be bought individually or as a bale of 30.
Blocks
A much bigger block with a cavity/hole going through the center.
Gravel
Screenings-Very dusty gravel
Quarry Products
A tonne bag of sand.
Drainage stone-small smooth rounded stone
Clause 804
4" clean large stone
Regular sized blocks used for most building jobs.
Chips
2" clean medium sized stone
The bigger thicker blocks up from the 4"