1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Chips
3/8" Chips. Very small stones
Blocks
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.
A much bigger block with a cavity/hole going through the center.
The bigger thicker blocks up from the 4"
Gravel
Screenings-Very dusty gravel
Bags
Small empty heavy duty sand bag.
Regular sized blocks used for most building jobs.
Quarry Products
2" clean medium sized stone