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
Bags
Small empty heavy duty sand bag.
4" clean large stone
Blocks
Concrete block that weighs one tonne.
A tonne bag of sand.
A much bigger block with a cavity/hole going through the center.
Chips
3/8" Chips. Very small stones
Regular 4" block with a 90 degree offset.
Plastering sand
Gravel
Clause 804
Regular 4" block with a 30 degree offset.