Quarry Products
4" clean large stone
Plastering sand
Blocks
A much bigger block with a cavity/hole going through the center.
Gravel
Aggregate mix
2" clean medium sized stone
Clause 804
Chips
3/8" Chips. Very small stones
Regular 4" block with a 90 degree offset.
Regular sized blocks used for most building jobs.
Regular 4" block with a 30 degree offset.
Concrete block that weighs one tonne.