A much bigger block with a cavity/hole going through the center.
They are a much bigger block than the 4″ and 6″ blocks with a cavity/hole going through the center of the block. Sold in bales of 20 or by single blocks on their own.
Bags
Small empty heavy duty sand bag.
Blocks
Chips
3/8" Chips. Very small stones
The bigger thicker blocks up from the 4"
Regular 4" block with a 90 degree offset.
Gravel
Aggregate mix
An empty big bag.
Clause 804
Quarry Products
4" clean large stone