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.
Chips
3/8" Chips. Very small stones
Blocks
Regular 4" block with a 30 degree offset.
Quarry Products
2" clean medium sized stone
Gravel
Aggregate mix
Drainage stone-small smooth rounded stone
Screenings-Very dusty gravel
A tonne bag of sand.
Concrete block that weighs one tonne.