Drainage stone-small smooth rounded stone
Drainage stone are small smooth rounded stone used for draining water away from places where water is unwanted. It is sold lose by the tonne.
Blocks
A much bigger block with a cavity/hole going through the center.
Bags
An empty small bag.
Regular 4" block with a 90 degree offset.
Gravel
Clause 804
Quarry Products
Plastering sand
Chips
3/8" Chips. Very small stones
Regular 4" block with a 30 degree offset.
Small empty heavy duty sand bag.
An empty big bag.