Block dimensions:12″HIGH X 17″LONG X 4″THICK
Blocks
A much bigger block with a cavity/hole going through the center.
Gravel
Aggregate mix
Quarry Products
4" clean large stone
Chips
Bags
Small empty heavy duty sand bag.
Regular 4" block with a 90 degree offset.
An empty big bag.
Screenings-Very dusty gravel
A tonne bag of sand.
An empty small bag.
2" clean medium sized stone