Gravel
Screenings-Very dusty gravel
Blocks
Regular 4" block with a 30 degree offset.
Chips
3/8" Chips. Very small stones
A much bigger block with a cavity/hole going through the center.
Quarry Products
2" clean medium sized stone
Bags
Small empty heavy duty sand bag.
Drainage stone-small smooth rounded stone
Regular sized blocks used for most building jobs.
The bigger thicker blocks up from the 4"