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
Gravel
Aggregate mix
Chips
3/8" Chips. Very small stones
Quarry Products
Plastering sand
A much bigger block with a cavity/hole going through the center.
4" clean large stone
Regular sized blocks used for most building jobs.
Concrete block that weighs one tonne.