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.
Chips
3/8" Chips. Very small stones
Quarry Products
Drainage stone-small smooth rounded stone
Blocks
Regular 4" block with a 30 degree offset.
Concrete block that weighs one tonne.
The bigger thicker blocks up from the 4"
2" clean medium sized stone
4" clean large stone
Gravel
Aggregate mix
Regular sized blocks used for most building jobs.