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
Drainage stone-small smooth rounded stone
4" clean large stone
Bags
An empty big bag.
Chips
3/8" Chips. Very small stones
Concrete block that weighs one tonne.
The bigger thicker blocks up from the 4"
Regular sized blocks used for most building jobs.
2" clean medium sized stone
A much bigger block with a cavity/hole going through the center.