Blocks
Concrete block that weighs one tonne.
Regular sized blocks used for most building jobs.
Regular 4" block with a 30 degree offset.
Chips
3/8" Chips. Very small stones
The bigger thicker blocks up from the 4"
Bags
An empty small bag.
An empty big bag.
Gravel
Clause 804
Regular 4" block with a 90 degree offset.
Quarry Products
2" clean medium sized stone