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 sized blocks used for most building jobs.
Bags
An empty big bag.
Regular 4" block with a 90 degree offset.
Quarry Products
A tonne bag of sand.
Concrete block that weighs one tonne.
The bigger thicker blocks up from the 4"
Chips
3/8" Chips. Very small stones
Plastering sand
4" clean large stone