Blocks
A much bigger block with a cavity/hole going through the center.
Concrete block that weighs one tonne.
Chips
Regular sized blocks used for most building jobs.
The bigger thicker blocks up from the 4"
Bags
An empty small bag.
Regular 4" block with a 90 degree offset.
An empty big bag.
Quarry Products
Drainage stone-small smooth rounded stone
Plastering sand