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
A much bigger block with a cavity/hole going through the center.
Quarry Products
Plastering sand
2" clean medium sized stone
Drainage stone-small smooth rounded stone
Regular sized blocks used for most building jobs.
Gravel
Clause 804
The bigger thicker blocks up from the 4"
Concrete block that weighs one tonne.
Regular 4" block with a 30 degree offset.
Chips
3/8" Chips. Very small stones