1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Quarry Products
Drainage stone-small smooth rounded stone
Blocks
Regular 4" block with a 90 degree offset.
The bigger thicker blocks up from the 4"
A tonne bag of sand.
2" clean medium sized stone
Gravel
Aggregate mix
Concrete block that weighs one tonne.
Clause 804
4" clean large stone