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
Bags
Small empty heavy duty sand bag.
Regular sized blocks used for most building jobs.
Chips
3/8" Chips. Very small stones
Gravel
Aggregate mix
An empty small bag.
Quarry Products
A tonne bag of sand.
Drainage stone-small smooth rounded stone
Screenings-Very dusty gravel