Block dimensions:12″HIGH X 17″LONG X 4″THICK
Gravel
Clause 804
Quarry Products
Plastering sand
2" clean medium sized stone
A tonne bag of sand.
Blocks
Regular 4" block with a 30 degree offset.
Drainage stone-small smooth rounded stone
4" clean large stone
Regular sized blocks used for most building jobs.
Screenings-Very dusty gravel