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