UltraFire C3 2xAA Extension Tube
Extends the Ultrafire C3 flashlights ( http://dx.com/p/1993 ) allowing them to take 2 x AA batteries - An original accessory produced by Ultrafire - Comes with water tight O-rings . ** Pictures show a C3 flashlight (and tail cap) for size comparison and usage illustration. This product is for an Extension Tube only. **