Weight: 45g Length: 68 mm
Diameter: 18.50 mm
Will Fit 6V and 12V torches which normally take 2 X CR123A and 4 X CR123A batteries.
In the case of a 6V torch you will need one 168 battery and you also need to get a 3.7V replacment bulb.
In the case of a 12V torch you will need two 168 batteries and also get a 9V replacement bulb.