Block dimensions:12″HIGH X 17″LONG X 4″THICK
Quarry Products
A tonne bag of sand.
4" clean large stone
Blocks
A much bigger block with a cavity/hole going through the center.
Drainage stone-small smooth rounded stone
Concrete block that weighs one tonne.
Bags
An empty big bag.
Small empty heavy duty sand bag.
Gravel
Aggregate mix
An empty small bag.
Clause 804
2" clean medium sized stone
Regular 4" block with a 30 degree offset.