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
Screenings-Very dusty gravel
Blocks
A much bigger block with a cavity/hole going through the center.
Aggregate mix
Regular 4" block with a 30 degree offset.
Bags
An empty small bag.
Concrete block that weighs one tonne.
The bigger thicker blocks up from the 4"
Regular sized blocks used for most building jobs.
Quarry Products
2" clean medium sized stone
Chips
3/8" Chips. Very small stones