1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Quarry Products
2" clean medium sized stone
Blocks
Regular 4" block with a 90 degree offset.
Plastering sand
Regular sized blocks used for most building jobs.
Concrete block that weighs one tonne.
Gravel
Aggregate mix
A much bigger block with a cavity/hole going through the center.
A tonne bag of sand.
The bigger thicker blocks up from the 4"