Blocks
A much bigger block with a cavity/hole going through the center.
Regular 4" block with a 30 degree offset.
Chips
Gravel
Aggregate mix
The bigger thicker blocks up from the 4"
Regular 4" block with a 90 degree offset.
Quarry Products
Drainage stone-small smooth rounded stone
Bags
An empty big bag.
2" clean medium sized stone
Small empty heavy duty sand bag.
4" clean large stone