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.
Regular sized blocks used for most building jobs.
Gravel
Clause 804
Quarry Products
A tonne bag of sand.
2" clean medium sized stone
Aggregate mix
Screenings-Very dusty gravel
4" clean large stone
Concrete block that weighs one tonne.