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
Aggregate mix
Blocks
The bigger thicker blocks up from the 4"
Chips
3/8" Chips. Very small stones
Clause 804
Screenings-Very dusty gravel
Regular 4" block with a 30 degree offset.
Concrete block that weighs one tonne.
Bags
Small empty heavy duty sand bag.
Regular 4" block with a 90 degree offset.