An empty big bag.
An empty big bag which can hold a tonne of sand, gravel or chips. Bought on its own as an empty bag.
Blocks
The bigger thicker blocks up from the 4"
Regular 4" block with a 30 degree offset.
A much bigger block with a cavity/hole going through the center.
Quarry Products
4" clean large stone
Bags
Small empty heavy duty sand bag.
A tonne bag of sand.
Plastering sand
2" clean medium sized stone
Drainage stone-small smooth rounded stone