Block dimensions:12″HIGH X 17″LONG X 4″THICK
Blocks
A much bigger block with a cavity/hole going through the center.
Regular 4" block with a 30 degree offset.
Quarry Products
4" clean large stone
Concrete block that weighs one tonne.
Gravel
Screenings-Very dusty gravel
A tonne bag of sand.
Bags
An empty big bag.
Drainage stone-small smooth rounded stone
Chips
3/8" Chips. Very small stones
Clause 804