Weltool BB11 Extension Tube – Dual 21700 Battery Tube for F11R Flashlight Stainless Lock: Monolock (titanium frame lock)

Lock: Monolock (titanium frame lock)

Use as shelter

Without extender

I have used it on flat and re-curve blades as well as fishing hooks and leather punches and it performed well

The rechargeable lithium-ion battery provides 2-3 hours (depending upon usage and temperature) of portable power for your ContourHD and ContourGPS cameras

Weltool BB11 Extension Tube – Dual 21700 Battery Tube for F11R Flashlight Stainless Lock: Monolock (titanium frame lock)Weltool BB11 Extension Tube The Weltool BB11 (F11R ExtensionTube) is a flashlight accessory and dual battery extension tube made for the Weltool F11R flashlight. Installing the BB11 lets the F11R run two 21700 rechargeable lithium ion batteries (such as the Weltool INR21 60) for significantly longer runtime. Highlights Doubles battery capacity run two 21700 lithium ion batteries Made for the Weltool F11R flashlight Longer runtime for extended sessions