1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Quarry Products
2" clean medium sized stone
Blocks
Concrete block that weighs one tonne.
Regular sized blocks used for most building jobs.
Chips
3/8" Chips. Very small stones
Plastering sand
Regular 4" block with a 30 degree offset.
The bigger thicker blocks up from the 4"
Bags
An empty small bag.
A tonne bag of sand.