Block dimensions:12″HIGH X 17″LONG X 4″THICK
Gravel
Aggregate mix
Blocks
Quarry Products
Drainage stone-small smooth rounded stone
Chips
A tonne bag of sand.
Bags
An empty big bag.
Regular sized blocks used for most building jobs.
Regular 4" block with a 90 degree offset.
3/8" Chips. Very small stones
Regular 4" block with a 30 degree offset.
Screenings-Very dusty gravel