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"
Regular 4" block with a 90 degree offset.
Gravel
Aggregate mix
Quarry Products
Drainage stone-small smooth rounded stone
Concrete block that weighs one tonne.
Regular 4" block with a 30 degree offset.
Clause 804
Bags
Small empty heavy duty sand bag.
Plastering sand