Blocks
Regular sized blocks used for most building jobs.
Bags
An empty small bag.
Chips
3/8" Chips. Very small stones
Gravel
Screenings-Very dusty gravel
Regular 4" block with a 90 degree offset.
Quarry Products
Drainage stone-small smooth rounded stone
Concrete block that weighs one tonne.
An empty big bag.
2" clean medium sized stone
Clause 804
Plastering sand