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.
Blocks
Gravel
Clause 804
Chips
Quarry Products
Drainage stone-small smooth rounded stone
Regular 4" block with a 30 degree offset.
The bigger thicker blocks up from the 4"
Concrete block that weighs one tonne.
Screenings-Very dusty gravel
Plastering sand