A much bigger block with a cavity/hole going through the center.
They are a much bigger block than the 4″ and 6″ blocks with a cavity/hole going through the center of the block. Sold in bales of 20 or by single blocks on their own.
Bags
Small empty heavy duty sand bag.
Blocks
The bigger thicker blocks up from the 4"
Quarry Products
A tonne bag of sand.
Regular 4" block with a 90 degree offset.
Gravel
Clause 804
Screenings-Very dusty gravel
Aggregate mix
Plastering sand
An empty big bag.
4" clean large stone
Chips