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.
Chips
Blocks
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.
Gravel
Clause 804
Quarry Products
2" clean medium sized stone
Plastering sand
Aggregate mix
3/8" Chips. Very small stones
Bags
An empty big bag.
A tonne bag of sand.