A much bigger block with a cavity/hole going through the center.
They are a much bigger block than the 4″ and 6″ blocks with a cavity/hole going through the center of the block. Sold in bales of 20 or by single blocks on their own.
Bags
An empty big bag.
Quarry Products
4" clean large stone
Gravel
Clause 804
A tonne bag of sand.
Blocks
Concrete block that weighs one tonne.
Drainage stone-small smooth rounded stone
Regular 4" block with a 90 degree offset.
2" clean medium sized stone
Chips