Bobblehead - Repair

 is a Fallout 3 item, a Vault Boy Bobblehead. It permanently improves your character's Repair skill by 10, to a maximum of 100. The Repair skill allows the lone wanderer to repair his or her weapons and armor by combining two of the same item type.

Location
Found in Evan King's House in Arefu. (The door is locked and requires 50 Lockpick skill to open it. You will lose karma for opening the door.)  As soon as you enter, look to your left. It is on the white table.