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 90 degree offset.
Concrete block that weighs one tonne.
Quarry Products
Drainage stone-small smooth rounded stone
Gravel
Clause 804
Plastering sand
A much bigger block with a cavity/hole going through the center.
Regular 4" block with a 30 degree offset.
Bags
Small empty heavy duty sand bag.
Chips
4" clean large stone