1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Bags
Small empty heavy duty sand bag.
Blocks
The bigger thicker blocks up from the 4"
Gravel
Clause 804
Quarry Products
4" clean large stone
An empty small bag.
2" clean medium sized stone
Aggregate mix
A tonne bag of sand.
Regular 4" block with a 30 degree offset.
Regular sized blocks used for most building jobs.
Regular 4" block with a 90 degree offset.