Drainage stone-small smooth rounded stone
Drainage stone are small smooth rounded stone used for draining water away from places where water is unwanted. It is sold lose by the tonne.
Blocks
A much bigger block with a cavity/hole going through the center.
Bags
An empty small bag.
Chips
3/8" Chips. Very small stones
Quarry Products
4" clean large stone
Regular sized blocks used for most building jobs.
Gravel
Clause 804
Plastering sand
Concrete block that weighs one tonne.
Regular 4" block with a 30 degree offset.