Small empty heavy duty sand bag.
Small empty heavy duty sand bag (GREEN) 4FT LONG X 1FT WIDE.
Blocks
A much bigger block with a cavity/hole going through the center.
Regular sized blocks used for most building jobs.
Quarry Products
Plastering sand
Bags
An empty big bag.
4" clean large stone
Regular 4" block with a 90 degree offset.
Drainage stone-small smooth rounded stone
Gravel
Clause 804
Aggregate mix
2" clean medium sized stone
Regular 4" block with a 30 degree offset.