An empty big bag.
An empty big bag which can hold a tonne of sand, gravel or chips. Bought on its own as an empty bag.
Gravel
Clause 804
Quarry Products
4" clean large stone
2" clean medium sized stone
Blocks
Regular 4" block with a 90 degree offset.
Aggregate mix
A much bigger block with a cavity/hole going through the center.
Chips
3/8" Chips. Very small stones
Plastering sand
A tonne bag of sand.
Drainage stone-small smooth rounded stone
Concrete block that weighs one tonne.