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