Block dimensions:12″HIGH X 17″LONG X 4″THICK
Gravel
Clause 804
Blocks
Quarry Products
4" clean large stone
Drainage stone-small smooth rounded stone
Bags
An empty small bag.
Plastering sand
2" clean medium sized stone
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.
Small empty heavy duty sand bag.