Block dimensions:12″HIGH X 17″LONG X 4″THICK
A much bigger block with a cavity/hole going through the center.
Small empty heavy duty sand bag.
Regular 4" block with a 30 degree offset.
The bigger thicker blocks up from the 4"
An empty big bag.
Screenings-Very dusty gravel
Regular sized blocks used for most building jobs.
An empty small bag.
Drainage stone-small smooth rounded stone
4" clean large stone