An empty small bag.
An empty small bag which can be filled with 4 stone weight of sand, gravel or chips. Bought on its own as an empty bag.
Blocks
A much bigger block with a cavity/hole going through the center.
Quarry Products
2" clean medium sized stone
Chips
3/8" Chips. Very small stones
Regular 4" block with a 90 degree offset.
Regular sized blocks used for most building jobs.
Gravel
Screenings-Very dusty gravel
Drainage stone-small smooth rounded stone
Regular 4" block with a 30 degree offset.