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.
Gravel
Screenings-Very dusty gravel
Quarry Products
A tonne bag of sand.
Aggregate mix
4" clean large stone
Plastering sand
Blocks
Bags
An empty big bag.
2" clean medium sized stone
Drainage stone-small smooth rounded stone
A much bigger block with a cavity/hole going through the center.
Concrete block that weighs one tonne.
Clause 804