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
The bigger thicker blocks up from the 4"
Quarry Products
2" clean medium sized stone
A much bigger block with a cavity/hole going through the center.
Regular sized blocks used for most building jobs.
Concrete block that weighs one tonne.
Bags
An empty big bag.
Regular 4" block with a 30 degree offset.
Drainage stone-small smooth rounded stone
Regular 4" block with a 90 degree offset.
Gravel
Aggregate mix