Iron Door1 v3

Description
A  is an upgrade of a craftable Door that has the ability to be locked by the player.

Upgrading
Can be upgraded to Vault Door using an appropriate upgrading tool.

Upgrade Process
Once you have the required tool and upgrade materials you can begin the upgrade process. The Repair Tool is equipped and the materials are left in your bag or on your tool belt. Approach the and right click on it while holding the Repair Tool and an icon will appear showing the current upgrade status. The upgrade materials used will not be taken from your inventory until the upgrade is complete.