This BB11 extension tube is suitable for F11R flashlight. After installing this BB11, F11R can use 2 21700 batteries (INR21-60) to increase the battery lif
This Is Extension Tube Only
Weltool BB11 Extension Tube For F11R Flashlight
$23.9
Type
Extension Tube
Brand
Weltool
Set Includes
Extension Tube
Color
Black
Material
Aluminum
condition
New