Quarry Products
A tonne bag of sand.
Chips
3/8" Chips. Very small stones
Blocks
Concrete block that weighs one tonne.
Bags
Small empty heavy duty sand bag.
Plastering sand
2" clean medium sized stone
Gravel
Aggregate mix
Regular 4" block with a 30 degree offset.
Regular 4" block with a 90 degree offset.