2.5 X-Axis Mirror

Can anyone point me to the X-Axis Mirror option for Armatures in 2.5?

I can’t find this either :frowning:

  • Select the armature object.
  • Open the Tool Shelf by going to View → Tool Shelf in a 3D viewport (or press T).
  • Enter Edit Mode by pressing the Tab key on your keyboard.
  • X-Axis Mirror shoud appear now in the Armature options in the Tool Shelf.