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
Quarry Products
Drainage stone-small smooth rounded stone
Gravel
Clause 804
Bags
An empty small bag.
Regular 4" block with a 30 degree offset.
Chips
3/8" Chips. Very small stones
Regular sized blocks used for most building jobs.
An empty big bag.
2" clean medium sized stone
Aggregate mix
Screenings-Very dusty gravel