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
Regular sized blocks used for most building jobs.
Bags
An empty small bag.
Gravel
Aggregate mix
An empty big bag.
Quarry Products
A tonne bag of sand.
2" clean medium sized stone
Regular 4" block with a 90 degree offset.
Chips
3/8" Chips. Very small stones
Drainage stone-small smooth rounded stone