Chips
3/8" Chips. Very small stones
Gravel
Clause 804
Blocks
Regular 4" block with a 90 degree offset.
The bigger thicker blocks up from the 4"
Aggregate mix
Regular sized blocks used for most building jobs.
Quarry Products
4" clean large stone
Concrete block that weighs one tonne.
Bags
An empty small bag.
Small empty heavy duty sand bag.