Block dimensions:12″HIGH X 17″LONG X 4″THICK
Gravel
Clause 804
Bags
An empty big bag.
Chips
3/8" Chips. Very small stones
Quarry Products
4" clean large stone
A tonne bag of sand.
2" clean medium sized stone
Blocks
The bigger thicker blocks up from the 4"
An empty small bag.
Regular sized blocks used for most building jobs.