An empty big bag.
An empty big bag which can hold a tonne of sand, gravel or chips. Bought on its own as an empty bag.
Blocks
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.
Chips
3/8" Chips. Very small stones
Quarry Products
A tonne bag of sand.
Gravel
Screenings-Very dusty gravel
Plastering sand
Bags
An empty small bag.
The bigger thicker blocks up from the 4"