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.
A much bigger block with a cavity/hole going through the center.
3/8" Chips. Very small stones
4" clean large stone
2" clean medium sized stone
Screenings-Very dusty gravel
An empty small bag.
Small empty heavy duty sand bag.
Concrete block that weighs one tonne.