Block dimensions:12″HIGH X 17″LONG X 4″THICK
Blocks
A much bigger block with a cavity/hole going through the center.
Concrete block that weighs one tonne.
Regular 4" block with a 30 degree offset.
Chips
Quarry Products
4" clean large stone
Gravel
Clause 804
2" clean medium sized stone
Plastering sand
Screenings-Very dusty gravel
3/8" Chips. Very small stones
A tonne bag of sand.