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
The bigger thicker blocks up from the 4"
Bags
Small empty heavy duty sand bag.
Regular 4" block with a 30 degree offset.
Gravel
Screenings-Very dusty gravel
Quarry Products
Plastering sand
A much bigger block with a cavity/hole going through the center.
2" clean medium sized stone
Concrete block that weighs one tonne.
A tonne bag of sand.
4" clean large stone
Chips
3/8" Chips. Very small stones