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.
Quarry Products
2" clean medium sized stone
Bags
Small empty heavy duty sand bag.
A tonne bag of sand.
Blocks
Drainage stone-small smooth rounded stone
Regular sized blocks used for most building jobs.
Gravel
Screenings-Very dusty gravel
4" clean large stone
The bigger thicker blocks up from the 4"
Regular 4" block with a 30 degree offset.