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.
Bags
Small empty heavy duty sand bag.
Blocks
An empty small bag.
Quarry Products
Plastering sand
Concrete block that weighs one tonne.
2" clean medium sized stone
Regular sized blocks used for most building jobs.
Regular 4" block with a 90 degree offset.
Regular 4" block with a 30 degree offset.
4" clean large stone
Drainage stone-small smooth rounded stone
Gravel
Screenings-Very dusty gravel