Screenings-Very dusty gravel
Regular 4" block with a 30 degree offset.
Aggregate mix
Concrete block that weighs one tonne.
Small empty heavy duty sand bag.
Regular sized blocks used for most building jobs.
The bigger thicker blocks up from the 4"
An empty small bag.
Drainage stone-small smooth rounded stone
3/8" Chips. Very small stones
4" clean large stone