1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Gravel
Clause 804
Blocks
Regular 4" block with a 30 degree offset.
Concrete block that weighs one tonne.
Quarry Products
2" clean medium sized stone
Bags
Small empty heavy duty sand bag.
Drainage stone-small smooth rounded stone
Chips
3/8" Chips. Very small stones
The bigger thicker blocks up from the 4"
Aggregate mix
A much bigger block with a cavity/hole going through the center.