Block dimensions:12″HIGH X 17″LONG X 4″THICK
Bags
Small empty heavy duty sand bag.
Blocks
Concrete block that weighs one tonne.
Gravel
Clause 804
Quarry Products
A tonne bag of sand.
Drainage stone-small smooth rounded stone
2" clean medium sized stone
Plastering sand
Regular 4" block with a 30 degree offset.
Chips