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
Plastering sand
Blocks
Concrete block that weighs one tonne.
Gravel
Screenings-Very dusty gravel
4" clean large stone
Regular 4" block with a 30 degree offset.
Bags
An empty small bag.
Chips
3/8" Chips. Very small stones
The bigger thicker blocks up from the 4"