Block dimensions:12″HIGH X 17″LONG X 4″THICK
Blocks
A much bigger block with a cavity/hole going through the center.
Gravel
Clause 804
Quarry Products
Plastering sand
4" clean large stone
Bags
An empty small bag.
Regular sized blocks used for most building jobs.
Chips
3/8" Chips. Very small stones
Regular 4" block with a 30 degree offset.
2" clean medium sized stone
Regular 4" block with a 90 degree offset.