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
Aggregate mix
Blocks
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.
Quarry Products
Plastering sand
Regular 4" block with a 30 degree offset.
Screenings-Very dusty gravel
Chips
Regular sized blocks used for most building jobs.
Drainage stone-small smooth rounded stone
Clause 804