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.
Blocks
Regular 4" block with a 30 degree offset.
Gravel
Clause 804
Chips
Quarry Products
4" clean large stone
Concrete block that weighs one tonne.
Bags
An empty big bag.
Regular sized blocks used for most building jobs.
Drainage stone-small smooth rounded stone
Regular 4" block with a 90 degree offset.
Plastering sand
3/8" Chips. Very small stones