Gravel
Screenings-Very dusty gravel
Blocks
Concrete block that weighs one tonne.
Regular 4" block with a 30 degree offset.
Regular 4" block with a 90 degree offset.
Clause 804
A much bigger block with a cavity/hole going through the center.
Chips
3/8" Chips. Very small stones
Quarry Products
4" clean large stone
Drainage stone-small smooth rounded stone