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
Clause 804
Blocks
Chips
3/8" Chips. Very small stones
Concrete block that weighs one tonne.
Quarry Products
Drainage stone-small smooth rounded stone
The bigger thicker blocks up from the 4"
Bags
An empty small bag.
Screenings-Very dusty gravel
Regular sized blocks used for most building jobs.
Small empty heavy duty sand bag.
A tonne bag of sand.