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
A much bigger block with a cavity/hole going through the center.
Bags
Small empty heavy duty sand bag.
Quarry Products
Plastering sand
Regular sized blocks used for most building jobs.
Regular 4" block with a 30 degree offset.
Concrete block that weighs one tonne.
An empty small bag.
Gravel
Aggregate mix
4" clean large stone