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
Clause 804
Blocks
Quarry Products
Drainage stone-small smooth rounded stone
Bags
An empty small bag.
Screenings-Very dusty gravel
A tonne bag of sand.
2" clean medium sized stone
A much bigger block with a cavity/hole going through the center.
Regular 4" block with a 90 degree offset.
Aggregate mix
Regular sized blocks used for most building jobs.
An empty big bag.