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
Concrete block that weighs one tonne.
Chips
3/8" Chips. Very small stones
A much bigger block with a cavity/hole going through the center.
Bags
An empty big bag.
Quarry Products
4" clean large stone
Regular 4" block with a 30 degree offset.
Gravel
Screenings-Very dusty gravel
An empty small bag.
Drainage stone-small smooth rounded stone
Clause 804