|Release||12 April 2010 (Update)|
|High alch||0 coins|
|Low alch||0 coins|
|On death||Always a safe death|
|Examine||A complete replacement part for the construct.|
The spare construct arm is used in the magical construct puzzle room in Daemonheim. It is made by imbuing a spare construct arm (u). It is used to repair the magical construct. The magical construct will then open all the rune-covered doors in the room.