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.
Blocks
Regular 4" block with a 30 degree offset.
Quarry Products
A tonne bag of sand.
Regular 4" block with a 90 degree offset.
Chips
Plastering sand
Bags
An empty small bag.
An empty big bag.
Small empty heavy duty sand bag.
The bigger thicker blocks up from the 4"
Gravel
Clause 804