Block dimensions:12″HIGH X 17″LONG X 4″THICK
Bags
Small empty heavy duty sand bag.
Blocks
A much bigger block with a cavity/hole going through the center.
Chips
Quarry Products
2" clean medium sized stone
3/8" Chips. Very small stones
Regular 4" block with a 30 degree offset.
A tonne bag of sand.
The bigger thicker blocks up from the 4"
Regular 4" block with a 90 degree offset.
Gravel
Aggregate mix