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.
Bags
Small empty heavy duty sand bag.
Quarry Products
A tonne bag of sand.
Blocks
2" clean medium sized stone
Regular 4" block with a 90 degree offset.
Chips
3/8" Chips. Very small stones
Plastering sand
A much bigger block with a cavity/hole going through the center.
Concrete block that weighs one tonne.
4" clean large stone
Gravel
Clause 804