1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Gravel
Aggregate mix
Chips
3/8" Chips. Very small stones
Screenings-Very dusty gravel
Bags
An empty small bag.
Blocks
Concrete block that weighs one tonne.
Quarry Products
4" clean large stone
A much bigger block with a cavity/hole going through the center.
Drainage stone-small smooth rounded stone
Small empty heavy duty sand bag.
Regular sized blocks used for most building jobs.
Clause 804