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
A tonne bag of sand.
Gravel
Aggregate mix
Blocks
Regular sized blocks used for most building jobs.
Chips
3/8" Chips. Very small stones
Regular 4" block with a 90 degree offset.
Drainage stone-small smooth rounded stone
A much bigger block with a cavity/hole going through the center.
Bags
An empty big bag.
Clause 804
2" clean medium sized stone
4" clean large stone