Fake Cabinet Door 1x2 Concrete
Zombies can see through this block. The intended use is that a hidden zombie can see the player and bust out of a closet.
Harvest drops
Small Stone× 25
Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.
When it collapses
Falling, it leaves 
Destroyed Stone (75% of the time) where it lands.
Where to find (24 POIs)
Navezgane County Jail (tier 5), The Last Sunset Nursing Home (tier 5), Vanity Tower (tier 5), Installation Blue Ridge (tier 4), Pipeline Gas Co (tier 4), Downtown MeltDowns (tier 3), Happy Sleep Motel (tier 3), KZL Radio Station (tier 3), OK Laundry (tier 3), Pass-N-Gas Plaza (tier 3), Poopy Pants City Daycare (tier 3), The Señor Drogas Residence (tier 3), Fun-Gi Daycare (tier 2), Ma Baker & Sons Bakery (tier 2), Crotalus Rest Area (tier 1), The Knowbly Cabin (tier 1), Canis Lupus Rest Area, Crumblemoor Catacombs, Decayed Office Tower, EZ-Chem Depot, Federal Plaza, Friendszone Sports Center, Moda Bar, The Doll House.
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.