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.
Chips
Quarry Products
2" clean medium sized stone
Plastering sand
Bags
Small empty heavy duty sand bag.
Blocks
Regular 4" block with a 90 degree offset.
Gravel
Clause 804
Concrete block that weighs one tonne.
Drainage stone-small smooth rounded stone
Aggregate mix
A much bigger block with a cavity/hole going through the center.
Regular sized blocks used for most building jobs.