Gravel
Screenings-Very dusty gravel
Quarry Products
Drainage stone-small smooth rounded stone
Plastering sand
Chips
3/8" Chips. Very small stones
Blocks
A much bigger block with a cavity/hole going through the center.
Regular 4" block with a 90 degree offset.
Regular sized blocks used for most building jobs.
Concrete block that weighs one tonne.