Loot containers
Electronics Store Shelf Single Top Empty
Furniture can make your place look pretty but it usually has little defensive value.
Harvest drops
Iron× 17
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
When it collapses
Falling, it leaves 
Scrap Metal Pile (75% of the time) where it lands.
Where to find (11 POIs)
Shotgun Messiah Factory (tier 5), Three Dollar Store (tier 3), Uncle Ray's Supermarket (tier 3), Blue Trailer Trucking (tier 2), Mo Power Electronics (tier 2), The Muggins Residence (tier 2), Duck Station (tier 1), The Wade Residence (tier 1), Bark Buzz Business Complex, Couch Kingz Court, Shabby St. Outlet.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.