Blocks
A much bigger block with a cavity/hole going through the center.
Gravel
Screenings-Very dusty gravel
Chips
3/8" Chips. Very small stones
Quarry Products
2" clean medium sized stone
4" clean large stone
Regular 4" block with a 90 degree offset.
The bigger thicker blocks up from the 4"
Clause 804
Regular sized blocks used for most building jobs.
Bags
An empty small bag.