Gravel
Clause 804
Blocks
Quarry Products
4" clean large stone
Regular 4" block with a 90 degree offset.
Bags
An empty small bag.
Regular sized blocks used for most building jobs.
Small empty heavy duty sand bag.
Regular 4" block with a 30 degree offset.
Concrete block that weighs one tonne.
Aggregate mix
2" clean medium sized stone
Drainage stone-small smooth rounded stone