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.
Bags
Small empty heavy duty sand bag.
Quarry Products
Plastering sand
4" clean large stone
Gravel
Aggregate mix
Concrete block that weighs one tonne.
The bigger thicker blocks up from the 4"
2" clean medium sized stone
Regular 4" block with a 90 degree offset.
Regular 4" block with a 30 degree offset.