1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Blocks
The bigger thicker blocks up from the 4"
Regular 4" block with a 30 degree offset.
A much bigger block with a cavity/hole going through the center.
Regular sized blocks used for most building jobs.
Quarry Products
2" clean medium sized stone
Chips
3/8" Chips. Very small stones
Regular 4" block with a 90 degree offset.
Bags
An empty small bag.
Gravel
Clause 804
Concrete block that weighs one tonne.