Concrete block that weighs one tonne.
Concrete block that weighs one tonne with many heavy duty uses.
Bags
An empty big bag.
Blocks
Regular 4" block with a 30 degree offset.
Gravel
Aggregate mix
Quarry Products
4" clean large stone
Drainage stone-small smooth rounded stone
Plastering sand
A much bigger block with a cavity/hole going through the center.
Clause 804
Regular 4" block with a 90 degree offset.