Blocks
Gravel
Clause 804
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.
Quarry Products
Plastering sand
Regular 4" block with a 30 degree offset.
Bags
An empty small bag.
Drainage stone-small smooth rounded stone
4" clean large stone
Chips
3/8" Chips. Very small stones
A tonne bag of sand.