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
Regular 4" block with a 90 degree offset.
Quarry Products
2" clean medium sized stone
The bigger thicker blocks up from the 4"
A tonne bag of sand.
Concrete block that weighs one tonne.
Plastering sand
Regular sized blocks used for most building jobs.
Regular 4" block with a 30 degree offset.