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
A much bigger block with a cavity/hole going through the center.
Chips
Gravel
Clause 804
Quarry Products
Plastering sand
Regular 4" block with a 90 degree offset.
Regular 4" block with a 30 degree offset.
4" clean large stone
Regular sized blocks used for most building jobs.
Bags
Small empty heavy duty sand bag.
Aggregate mix
A tonne bag of sand.