Regular 4″ block with a 90 degree offset.
Regular 4″ block with a 90 degree offset. Can be bought individually or as a bale of 30.
Blocks
A much bigger block with a cavity/hole going through the center.
Bags
An empty small bag.
An empty big bag.
Chips
Quarry Products
A tonne bag of sand.
Plastering sand
The bigger thicker blocks up from the 4"
Drainage stone-small smooth rounded stone
Gravel
Aggregate mix
Regular sized blocks used for most building jobs.