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
Clause 804
Chips
3/8" Chips. Very small stones
Quarry Products
Drainage stone-small smooth rounded stone
A tonne bag of sand.
2" clean medium sized stone
Bags
An empty small bag.
Blocks
Plastering sand
Screenings-Very dusty gravel
Regular 4" block with a 90 degree offset.
Aggregate mix