An empty small bag.
An empty small bag which can be filled with 4 stone weight of sand, gravel or chips. Bought on its own as an empty bag.
Blocks
Regular 4" block with a 30 degree offset.
Regular sized blocks used for most building jobs.
Bags
An empty big bag.
Quarry Products
A tonne bag of sand.
Drainage stone-small smooth rounded stone
Regular 4" block with a 90 degree offset.
Chips
3/8" Chips. Very small stones
Plastering sand
Gravel
Clause 804
Concrete block that weighs one tonne.
A much bigger block with a cavity/hole going through the center.