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
Chips
Bags
An empty small bag.
Regular sized blocks used for most building jobs.
Quarry Products
2" clean medium sized stone
Concrete block that weighs one tonne.
3/8" Chips. Very small stones
Regular 4" block with a 30 degree offset.
Plastering sand
Regular 4" block with a 90 degree offset.