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
Concrete block that weighs one tonne.
Gravel
Aggregate mix
Bags
An empty big bag.
Screenings-Very dusty gravel
Quarry Products
Plastering sand
Regular 4" block with a 30 degree offset.
The bigger thicker blocks up from the 4"
2" clean medium sized stone
Regular 4" block with a 90 degree offset.
Regular sized blocks used for most building jobs.