Quarry Products
2" clean medium sized stone
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.
The bigger thicker blocks up from the 4"
Drainage stone-small smooth rounded stone
4" clean large stone
Gravel
Clause 804
Regular 4" block with a 90 degree offset.
Regular sized blocks used for most building jobs.