Block dimensions:12″HIGH X 17″LONG X 4″THICK
Chips
Blocks
Regular 4" block with a 30 degree offset.
Gravel
Clause 804
3/8" Chips. Very small stones
Aggregate mix
Quarry Products
Drainage stone-small smooth rounded stone
Plastering sand
2" clean medium sized stone
Bags
An empty small bag.
The bigger thicker blocks up from the 4"