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
Screenings-Very dusty gravel
Blocks
Concrete block that weighs one tonne.
Bags
An empty small bag.
The bigger thicker blocks up from the 4"
Quarry Products
Drainage stone-small smooth rounded stone
Small empty heavy duty sand bag.
Plastering sand
An empty big bag.
4" clean large stone
Clause 804
Regular sized blocks used for most building jobs.