An empty big bag.
An empty big bag which can hold a tonne of sand, gravel or chips. Bought on its own as an empty bag.
Blocks
Regular 4" block with a 90 degree offset.
The bigger thicker blocks up from the 4"
Chips
A much bigger block with a cavity/hole going through the center.
Regular sized blocks used for most building jobs.
Regular 4" block with a 30 degree offset.
Quarry Products
4" clean large stone
3/8" Chips. Very small stones
Gravel
Aggregate mix
Clause 804
Bags
An empty small bag.