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.
Regular 4" block with a 30 degree offset.
Bags
An empty small bag.
The bigger thicker blocks up from the 4"
Gravel
Screenings-Very dusty gravel
Chips
Quarry Products
4" clean large stone
A tonne bag of sand.
Plastering sand