Windows
Iron Bars Corner
You can see and shoot through iron bars and they offer decent protection.
Upgrade path
Hit a placed block with a stone axe, claw hammer or nail gun while carrying the material of the next step: 4 hits per upgrade.
Crafting
Craft at Forge · makes 1
- Iron (forge units)× 100
- Clay (forge units)× 20
Harvest drops
Iron× 32
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 (2 POIs)
Bob's Boars & Carl's Corn (tier 3), Boar Barn Fields (tier 2).
Points of interest built with this block (any of its variants), the highest tiers first, from the game's prefab files.