1/2″ Chips, small stones, the next size up from 3/8″ chips. Suitable for driveways also. It is sold lose by the tonne.
Bags
An empty big bag.
Blocks
A much bigger block with a cavity/hole going through the center.
Quarry Products
Plastering sand
Small empty heavy duty sand bag.
The bigger thicker blocks up from the 4"
Gravel
Aggregate mix
Drainage stone-small smooth rounded stone
Regular 4" block with a 30 degree offset.
An empty small bag.
Clause 804
Chips
3/8" Chips. Very small stones