Block dimensions:12″HIGH X 17″LONG X 4″THICK
Blocks
Regular 4" block with a 90 degree offset.
Quarry Products
Plastering sand
Bags
Small empty heavy duty sand bag.
A much bigger block with a cavity/hole going through the center.
Gravel
Clause 804
An empty small bag.
4" clean large stone
A tonne bag of sand.
Aggregate mix
2" clean medium sized stone