Block dimensions:12″HIGH X 17″LONG X 4″THICK
Gravel
Aggregate mix
Blocks
The bigger thicker blocks up from the 4"
Bags
An empty big bag.
A much bigger block with a cavity/hole going through the center.
Quarry Products
2" clean medium sized stone
Drainage stone-small smooth rounded stone
An empty small bag.
Regular 4" block with a 30 degree offset.
Chips
3/8" Chips. Very small stones
Regular 4" block with a 90 degree offset.