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.
Regular sized blocks used for most building jobs.
Gravel
Clause 804
Chips
3/8" Chips. Very small stones
Quarry Products
2" clean medium sized stone
Screenings-Very dusty gravel
A tonne bag of sand.
Aggregate mix
4" clean large stone
A much bigger block with a cavity/hole going through the center.