Gravel
Clause 804
Chips
Quarry Products
2" clean medium sized stone
Blocks
Regular 4" block with a 90 degree offset.
Regular 4" block with a 30 degree offset.
Plastering sand
3/8" Chips. Very small stones
Concrete block that weighs one tonne.
A much bigger block with a cavity/hole going through the center.
Drainage stone-small smooth rounded stone