Block dimensions:12″HIGH X 17″LONG X 4″THICK
Blocks
The bigger thicker blocks up from the 4"
Chips
A much bigger block with a cavity/hole going through the center.
Gravel
Aggregate mix
Regular 4" block with a 90 degree offset.
Regular sized blocks used for most building jobs.
Bags
An empty big bag.
Quarry Products
Drainage stone-small smooth rounded stone
A tonne bag of sand.
3/8" Chips. Very small stones
Clause 804
Screenings-Very dusty gravel