Block dimensions:12″HIGH X 17″LONG X 4″THICK
Bags
An empty big bag.
Blocks
A much bigger block with a cavity/hole going through the center.
Gravel
Screenings-Very dusty gravel
Quarry Products
4" clean large stone
Chips
Plastering sand
Regular 4" block with a 30 degree offset.
Regular sized blocks used for most building jobs.
An empty small bag.
Aggregate mix
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.