1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Blocks
A much bigger block with a cavity/hole going through the center.
Chips
3/8" Chips. Very small stones
Quarry Products
2" clean medium sized stone
Bags
An empty big bag.
Small empty heavy duty sand bag.
Regular sized blocks used for most building jobs.
An empty small bag.
4" clean large stone
Regular 4" block with a 30 degree offset.