Block dimensions:12″HIGH X 17″LONG X 4″THICK
Gravel
Screenings-Very dusty gravel
Blocks
Concrete block that weighs one tonne.
Bags
Small empty heavy duty sand bag.
Chips
3/8" Chips. Very small stones
A much bigger block with a cavity/hole going through the center.
Regular sized blocks used for most building jobs.
The bigger thicker blocks up from the 4"
Quarry Products
Drainage stone-small smooth rounded stone
Aggregate mix
Regular 4" block with a 30 degree offset.