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
Screenings-Very dusty gravel
Quarry Products
4" clean large stone
Blocks
Regular sized blocks used for most building jobs.
The bigger thicker blocks up from the 4"
Bags
Small empty heavy duty sand bag.
Plastering sand
Regular 4" block with a 30 degree offset.
Chips
3/8" Chips. Very small stones
Concrete block that weighs one tonne.
Clause 804
An empty big bag.