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
Drainage stone-small smooth rounded stone
Chips
3/8" Chips. Very small stones
Blocks
Bags
Small empty heavy duty sand bag.
Concrete block that weighs one tonne.
2" clean medium sized stone
An empty big bag.
Gravel
Clause 804
4" clean large stone
The bigger thicker blocks up from the 4"
Plastering sand