Double Reinforced Secure Hard Metal Door

Description
As of Alpha 10.4 build 10 the  does not exist in the Creative Menu.

A was a door that can be locked and unlocked by the player. It was the upgraded version of a Reinforced Secure Hard Metal Door, A can not be upgraded any further. It can not be crafted using other materials, the only ways to obtain a are through upgrading a Reinforced Secure Hard Metal  Door or using the Creative Menu. It was not possible to use a as a source of Combustible fuel.

Usage
Built into a was a security function which offers the player three options in relation to the control of the Door, Pressing holding down the E key while looking at the Door will bring up three icons showing each of the three options, these are explained below.
 * SecurePassword.png Left Icon - This is a keypad icon and is used to set up a password for the Door, moving the cursor over the icon and releasing the E key will bring up the password input box. Using the password input box the player can type any password they like and set it by clicking the green set button, or press the red cancel button to exit the menu and cancel the password input. Once the player has set a password they will have to enter it into the Door to be able to open it, this only needs to be done the first time the player uses the Door. Any player that knows the door code will be able to open this Door.
 * OpenDoor.png Centre Icon - This is a doorway icon, moving the cursor over this icon and releasing the E key with either open or close the Door depending on which state it was in when the player pushed down the E button.
 * SecureLocks.png Right Icon - This is a padlock icon and represents the Door lock, moving the cursor over the icon and releasing the E key will toggle the Door between being either locked or unlocked. A Door that is locked without a password can only be opened by the player that locked it.

Upgrading
A was the final result of the upgrade process and no further improvements can be made.