Blocks
Regular sized blocks used for most building jobs.
Regular 4" block with a 30 degree offset.
Concrete block that weighs one tonne.
Gravel
Aggregate mix
Chips
The bigger thicker blocks up from the 4"
3/8" Chips. Very small stones
Quarry Products
2" clean medium sized stone
Screenings-Very dusty gravel
A much bigger block with a cavity/hole going through the center.