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.
Gravel
Clause 804
Regular 4" block with a 30 degree offset.
Regular sized blocks used for most building jobs.
A much bigger block with a cavity/hole going through the center.
Quarry Products
Plastering sand
4" clean large stone
Chips
3/8" Chips. Very small stones
Bags
Small empty heavy duty sand bag.
The bigger thicker blocks up from the 4"