Regular 4″ block with a 90 degree offset.
Regular 4″ block with a 90 degree offset. Can be bought individually or as a bale of 30.
Blocks
A much bigger block with a cavity/hole going through the center.
Chips
3/8" Chips. Very small stones
Gravel
Clause 804
Quarry Products
4" clean large stone
Regular 4" block with a 30 degree offset.
The bigger thicker blocks up from the 4"
Concrete block that weighs one tonne.
Plastering sand
Screenings-Very dusty gravel
Regular sized blocks used for most building jobs.