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
Bags
An empty big bag.
Gravel
Clause 804
A tonne bag of sand.
Regular sized blocks used for most building jobs.
Chips
Aggregate mix
Regular 4" block with a 90 degree offset.
Regular 4" block with a 30 degree offset.