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.
Quarry Products
2" clean medium sized stone
Blocks
Regular 4" block with a 30 degree offset.
Plastering sand
4" clean large stone
Concrete block that weighs one tonne.
Regular sized blocks used for most building jobs.
The bigger thicker blocks up from the 4"
Bags
An empty small bag.
Chips
A tonne bag of sand.
Small empty heavy duty sand bag.