A tonne bag of sand.
A tonne bag of sand made up in store and ready to be collected.
Blocks
Regular sized blocks used for most building jobs.
A much bigger block with a cavity/hole going through the center.
Gravel
Screenings-Very dusty gravel
The bigger thicker blocks up from the 4"
Quarry Products
4" clean large stone
Regular 4" block with a 30 degree offset.
Plastering sand
Concrete block that weighs one tonne.
Bags
An empty small bag.