Blocks
Regular 4" block with a 90 degree offset.
Gravel
Aggregate mix
Quarry Products
Plastering sand
Chips
3/8" Chips. Very small stones
Drainage stone-small smooth rounded stone
Regular sized blocks used for most building jobs.
Bags
An empty big bag.
2" clean medium sized stone
Regular 4" block with a 30 degree offset.
The bigger thicker blocks up from the 4"