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.
Bags
An empty small bag.
Blocks
Regular 4" block with a 30 degree offset.
Regular 4" block with a 90 degree offset.
Chips
3/8" Chips. Very small stones
Concrete block that weighs one tonne.
Small empty heavy duty sand bag.
Quarry Products
2" clean medium sized stone
An empty big bag.
A tonne bag of sand.
Gravel
Clause 804