Block dimensions:12″HIGH X 17″LONG X 4″THICK
Gravel
Aggregate mix
Blocks
Clause 804
Chips
3/8" Chips. Very small stones
Bags
Small empty heavy duty sand bag.
Quarry Products
A tonne bag of sand.
Concrete block that weighs one tonne.
Plastering sand
4" clean large stone
The bigger thicker blocks up from the 4"