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"
Chips
Regular 4" block with a 30 degree offset.
Gravel
Clause 804
Concrete block that weighs one tonne.
Quarry Products
A tonne bag of sand.
3/8" Chips. Very small stones
Regular 4" block with a 90 degree offset.
Bags
An empty big bag.
Plastering sand
A much bigger block with a cavity/hole going through the center.