Block dimensions:12″HIGH X 17″LONG X 4″THICK
Blocks
Regular 4" block with a 30 degree offset.
Gravel
Aggregate mix
Bags
Small empty heavy duty sand bag.
Concrete block that weighs one tonne.
Screenings-Very dusty gravel
A much bigger block with a cavity/hole going through the center.
Chips
Clause 804
Quarry Products
Plastering sand
An empty big bag.